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Books > Earth & environment > Earth sciences
Uranium Deposits of the World, in three volumes, comprises an unprecedented compilation of data and descriptions of the uranium regions in Asia, USA, Latin America and Europe structured by countries. With this third, the Europe volume, Uranium Deposits of the World presents the most extensive data collection of the set. It covers about 140 uranium regions in more than 20 European countries with nearly 1000 mentioned uranium deposits. Each country and region receives an analytical overview followed by the geologically- and economically-relevant synopsis of the individual regions and fields. The presentations are structured in three major sections: (a) location and magnitude of uranium regions, districts, and deposits, (b) principal features of regions and districts, and (c) detailed characteristics of selected ore fields and deposits. This includes sections on geology, alteration, mineralization, shape and dimensions of deposits, isotopes data, ore control and recognition criteria, and metallogenesis. Beside the main European uranium regions, for example in the Czech Republic, Eastern Germany, France, the Iberian Peninsula or Ukraine, also small regions an districts to the point of singular occurrences of interest are considered. This by far the most comprehensive presentation of European uranium geology and mining would not be possible without the author's access to extensive information covering the countries of the former Eastern Bloc states, which was partly not previously available. Abundantly illustrated with information-laden maps and charts throughout, this reference work is an indispensable tool for geologists, mining companies, government agencies, and others with an interest in European key natural resources. A great help for the reader's orientation are the substantial bibliography of uranium-related publications and the indices, latter containing about 3900 entries in the geographical part alone. The three volumes of Uranium Deposits of the World are available as a set or individually. Also accessible (as a set and separate volumes) as an eReference on SpringerLink.com. The originally planned fourth volume with Australia, Oceania, and Africa will not be published after the author suddenly deceased.
"Indeed, the most important part of engineering work-and also of other scientific work-is the determination of the method of attacking the problem, whatever it may be, whether an experimental investigation, or a theoretical calculation. ... It is by the choice of a suitable method of attack, that intricate problems are reduced to simple phenomena, and then easily solved." Charles Proteus Steinmetz. The structure of this book is to provide a sequence of theory, workshops and practical field sessions that mimic a simple survey project, designed for civil and mining engineers. The format of the book is based on a number of years of experience gained in presenting the course at undergraduate and post graduate levels. The course is designed to guide engineers through survey tasks that the engineering industry feels is necessary for them to have a demonstrated competency in surveying techniques, data gathering and reduction, and report presentation. The course i s not designed to make engineers become surveyors. It is designed to allow an appreciation of the civil and mine engineering surveyor's job. There are many excellent text books available on the subject of engineering surveying, but they address the surveyor, not the engineer. Hopefully this book will distil many parts of the standard text book. A lot of the material presented is scattered through very disparate sources and has been gathered into this book to show what techniques lie behind a surveyor's repertoire of observational and computational skills, and provide an understanding of the decisions made in terms of the presentation of results. The course has been designed to run over about 6 weeks of a semester, providing a half unit load which complements a computer aided design (CAD) based design project.
This book takes a new and critical look at the underlying factors that affect the management of water resources, and its content is guided by three important visions. With the "theory" vision, the existing knowledge system for IWRM is reorganized in order to supplement new theories related to our society and science. We then introduce two distinctive case studies on how to achieve sustainable water management. Based on the "social implementation" vision, one study is carried out by the Research Institute for Humanity and Nature on Indonesia's Bali Island, where there is a long history of educational and inspirational local-level water management systems with multistakeholder participation. A further study is based on the "harmony between science and society" vision, and the Ritsumeikan-Global Innovation Research Organization, Ritsumeikan University, proposes innovative water recycling system for the sustainable development of Chongming Island, an eco-island that belongs to China. These two studies highlight "science with society", a new perspective on science that could promisingly lead to more sustainable futures. This book offers a valuable reference guide for all stakeholders and scholars active in water resources management.
In Tide Lines: A Photographic Record of Louisiana's Disappearing Coast, Ben Depp's photographs capture the beauty, complexity, and rapid destruction of south Louisiana. Once formed by sediment deposited by the Mississippi River, the Louisiana coast is now quickly eroding. Two thousand square miles of wetlands have returned to open water over the past eighty years. Depp's photographs communicate weather and seasonal changes-like the shifting high-water line, color temperature, and softness of light. A careful observer will notice coastal flora and distinguish living cypress trees from those that have been killed by saltwater intrusion, or see the patterns made by wave energy on barrier island beaches and sediment carried through freshwater diversions from the Mississippi River. With a powered paraglider, Depp flies between ten and ten thousand feet above the ground. He spends hours in the air, camera in hand, waiting for the brief moments when the first rays of sunlight mix with cool predawn light and illuminate forms in the grass, or when evening light sculpts fragments of marsh and geometric patterns of human enterprise-canals, oil platforms, pipelines, and roads. Featuring an introduction by Monique Verdin and over fifty color images, Tide Lines is an intense bird's-eye survey that depicts south Louisiana from an unfamiliar perspective, prompting the viewer to reconsider the value of this vanishing, otherworldly landscape.
The main objective of this book is to integrate environmental knowledge observed in local agriculture, based on the understanding of soils science and ecology, and to propose possible technical solutions and a more integrated approach to tropical agriculture. The chapters describe and analyze the ecological and technical countermeasures available for mitigating environmental degradation due to the increasing agricultural activities by humans, based on our scientific understanding of traditional agriculture in the tropics. This is an effective approach, as such ecological and technical tools previously involved in traditional activities are expected to be easily incorporated into present agricultural systems. The book starts with a rather classical pedological issue and analyzed traditional agricultural practices with different resource management strategies in terms of their modification of natural biological processes. It focuses on the present situation of tropical agriculture; that is, resource utilization in modern agriculture after application of technical innovation (increased application of chemical fertilizers as well as agricultural chemicals). Here, possible technical approaches to resource management that reasonably support agricultural production whilst mitigating environmental degradation are discussed. The negative impacts of agricultural development on our environment are rapidly growing, yet we are increasingly dependent on the agricultural sector for food and energy. The situation is similar in the tropics, where subsistence agriculture with low input management has long comprised most agricultural systems. Comparison of ecological and/or agronomical studies between different continents are still rare; therefore, this analysis may help clarify what is an essential problem when considering technical transportation beyond continents and/or between temperate and tropical regions.
Soil is the most important natural non-renewable resource developed over a longer period of time due to weathering of rocks and subsequently enrichment of organic matter. Soil provides habitat for numerous microorganisms and serves as a natural medium for plant growth, thereby providing the plants with anchorage, nutrients and water to sustain the growth. Soil also serves as a universal sink for all types of pollutants, purifies ground water and is a major reserve of carbon in the universe. The role of soils to provide ecosystem services, maintenance of environmental/human health and ensuring the food security makes it as the most important and basic natural resource. Soil Science helps us to elaborate and understand how the soils provide all these services. Soil Science also provides us the basic knowledge dealing with the origin of the soil parent material, weathering of parent material and the formation of soils, morphological, physico-chemical and biological features of soils, classification of soils and role of soils in the provision and maintenance of ecosystem services, food security and environmental quality. This book encompasses the various processes, functions and behaviour of soils very comprehensively to acquaint the students of soil, plant and environmental sciences about their role to perform different agricultural and environmental functions.
Over the past decade or so, we have seen a multitude of improvement programmes and projects to improve the safety of patient care in healthcare. However, the full potential of these efforts and especially those that seek to address an entire system has not yet been reached. The current pandemic has made this more evident than ever. We have tended to focus on problems in isolation, one harm at a time, and our efforts have been simplistic and myopic. If we are to save more lives and significantly reduce patient harm, we need to adopt a holistic, systematic approach that extends across cultural, technological, and procedural boundaries. Patient Safety Now is about the fact that it is time to care for everyone impacted by patient safety, how we need to take the time to care for everyone in a meaningful way and how hospitals need to enable staff time to care safely. This book builds on the author's two previous books on patient safety. Rethinking Patient Safety talked about ways in which we need to rethink patient safety in healthcare and describes what we've learned over the last two decades. Implementing Patient Safety talked about what we can do differently and how we can use those lessons learned to improve the way we implement patient safety initiatives and encourage a culture of safety across a healthcare system. Patient Safety Now unites the concepts, theories and ideas of the previous two books with updated material and examples, including what has been learned by patient safety specialists during a pandemic. Patient Safety Now provides the reader with a unique view of patient safety that looks beyond the traditional negative and retrospective approach to one that is proactive and recognizes the impact of conditions, behaviours and cultures that exist in healthcare on everyone. It is written not only for healthcare professionals and patient safety personnel, but for patients and their families who all want the same thing. Too often when things go wrong, relationships quickly become adversarial when in fact this can be avoided by recognizing that, rather than being in separate camps, there are shared needs and goals in relations to patient safety.
During the last three decades geosciences and geo-engineering were influenced by two essential scenarios: First, the technological progress has changed completely the observational and measurement techniques. Modern high speed computers and satellite based techniques are entering more and more all geodisciplines. Second, there is a growing public concern about the future of our planet, its climate, its environment and about an expected shortage of natural resources. Obviously, both aspects, viz. efficient strategies of protection against threats of a changing Earth and the exceptional situation of getting terrestrial, airborne as well as space borne data of better and better quality explain the strong need of new mathematical structures, tools and methods. Mathematics concerned with geoscientific problems, i.e., Geomathematics, is becoming increasingly important. The 'Handbook of Geomathematics' deals with the qualitative and quantitative properties for the current and possible structures of the system Earth. As a central reference work it comprises the following geoscientific fields: (I) observational and measurement key technologies (II) modelling of the system Earth (geosphere, cryosphere, hydrosphere, atmosphere, biosphere) (III) analytic, algebraic and operator-theoretic methods (IV) statistical and stochastic methods (V) computational and numerical analysis methods (VI) historical background and future perspectives.
Nothing fills us with a sense of wonder like fossils. What looks at first like a simple rock is in fact a clue that reveals the staggering diversity of ancient environments, the winding pathways of evolution, and the majesty of a vanished earth. But as much as one might daydream of digging a hole in the backyard and finding a Tyrannosaurus, only a few places contain these buried treasures, and when a scientist comes across a remnant of prehistoric life, great care must be taken. What do budding paleontologists need to know before starting their search? In Fantastic Fossils, Donald R. Prothero offers an accessible, entertaining, and richly illustrated guide to the paleontologist's journey. He details the best places to look for fossils, the art of how to find them, and how to classify the major types. Prothero provides expert wisdom about typical fossils that an average person can hope to collect and how to hunt fossils responsibly and ethically. He also explores the lessons that both common and rarer discoveries offer about paleontology and its history, as well as what fossils can tell us about past climates and present climate change. Captivating illustrations by the paleoartist Mary Persis Williams bring to life hundreds of important specimens. Offering valuable lessons for armchair enthusiasts and paleontology students alike, Fantastic Fossils is an essential companion for all readers who have ever dreamed of going in search of traces of a lost world.
Evolution of Fossil Ecosystems describes all of the main Fossil
Lagerstatten (sites of exceptional fossil preservation) from around
the world in a chronological order. It covers the history of
research, stratigraphy and taphonomy, main faunal and floral
elements, and the palaeoecology of each site and gives a comparison
with coeval sites around the world. It includes all of the
well-known fossil sites, such as the Burgess Shale, the Solnhofen
Limestone, Mazon Creek, Rancho La Brea etc., and includes an
appendix giving information on how to visit the sites and where to
see the fossils in museum displays. Available now in its second edition, Lagerstatten included for
the first time include Chengjiang, the Herefordshire Nodules and
the Jehol Group. A welcome addition to the list of important
localities of Cenozoic age is the White River Group, which
preserves the finest examples of mammals around the
Eocene-Oligocene boundary, including many now-extinct groups. The book is beautifully illustrated throughout with over 450 colour photographs and diagrams, and it is extensively referenced. Evolution of Fossil Ecosystems is essential reading to a wide range of students and professionals in palaeontology and related sciences, and to amateur enthusiasts. "
This book describes essential principles of and approaches to monitoring and modeling algal blooms. Freshwater algal blooms have become a growing concern worldwide. They are caused by a high level of cyanobacteria, particularly Microcystis spp. and Cylindrospermopsis raciborskii, which can produce microcystin and cylindrospermopsin, respectively. Since long-term exposure to these cyanotoxins may affect public health, the reliable detection and quantification of these harmful algae species has become a priority in water quality management. The book utilizes an advanced monitoring approach to identify and quantify cyanobacteria species and various cyanotoxin-producing genotypes. Further, it uses a modeling approach to forecast the occurrence of the phytoplankton that causes algal blooms in freshwater reservoirs, providing a comprehensive picture of currently available micro- and macro-techniques for studying the problem of algal blooms. As such, it offers a valuable guide for researchers, graduate students and professional engineers engaged in monitoring and modeling water quality in lakes and reservoirs. Dr. InChio Lou is an Assistant Professor at University of Macau, Macau, China. Dr. Boping Han is a professor at Jinan Universtiy, Guangzhou, China. Weiying Zhang is a researcher of Environmental Engineering in the area of freshwater phytoplankton at University of Macau, Macau, China.
A San Francisco Chronicle Bestseller Read the rocks as only a geologist can, with this deep drill-down into Oakland’s geological history and its impacts on the city’s urban present. "This book has turned me into a newcomer to my own city, but has also changed the way I will view any landscape. I can think of few greater gifts than that."—Jenny Odell, author of How to Do Nothing "Spending time with Andrew Alden is like giving yourself x-ray eyes." —Roman Mars, host and creator of 99% Invisible Beneath Oakland’s streets and underfoot of every scurrying creature atop them, rocks roil, shift, crash, and collide in an ever-churning seismological saga. Playing out since time immemorial, the deep geology of this city has chiseled and carved its landforms and the lives of everyone—from the Ohlone to the settlers to the transients and transplants—who has called this singular place home. In Deep Oakland, geologist Andrew Alden excavates the ancient story of Oakland’s geologic underbelly and reveals how its silt, soil, and subterranean sinews are intimately entwined with its human history—and future. Poised atop a world-famous fault line now slumbering, Alden charts how these quaking rocks gave rise to the hills and the flats; how ice-age sand dunes gave root to the city’s eponymous oak forests; how the Jurassic volcanoes of Leona Heights gave way to mining boom times; how Lake Merritt has swelled and disappeared a dozen times over the course of its million-year lifespan; and how each epochal shift has created the terrain cradling Oaklanders today. With Alden as our guide—and with illustrations by Laura Cunningham, author of A State of Change—we see that just as Oakland is a human crossroads, a convergence of cultures from the world over, so too is the bedrock below, carried here from parts still incompletely known.
By breaking down atmospheric variables into temporal climatologies and anomalies, this book demonstrates that all weather extremes and climatic events are directly associated with the anomaly component of atmospheric motion. We can use the anomaly-based synoptic chart and dynamical parameters to objectively describe these extremes and events. The conception and differences of weather, climate and general circulation tend to confuse us, because there are no clear physical definitions available for them. Weather extremes such as heat waves, cold surges, freezing rains, heavy rains, severe drought, unusual storm tracks, and tornados are common on our planet's surface. Climatic events such as Arctic warming and declining sea ice have become hot topics in recent years. An approach based on breaking down total variables into temporal climatologies and anomalies can be used to identify general circulation, analyze climatic anomalies and forecast weather extremes. Accordingly, this book will appeal to students, teachers and forecasters in the field of weather and climate alike.
ESSENTIALS OF METEOROLOGY, 8th Edition, is written for students interested in gaining insights into the dynamic workings of the atmosphere. The authors' ability to explain relatively complicated ideas in an easy-to-understand way lets both science and nonscience majors visualize the principles of meteorology. Online animations help you to immediately apply the text material and understand the underlying meteorological principles, and appendices allow you to explore meteorological data such as world temperature extremes and precipitation extremes over a 30-year period.
Most complex physical phenomena can be described by nonlinear equations, specifically, differential equations. In water engineering, nonlinear differential equations play a vital role in modeling physical processes. Analytical solutions to strong nonlinear problems are not easily tractable, and existing techniques are problem-specific and applicable for specific types of equations. Exploring the concept of homotopy from topology, different kinds of homotopy-based methods have been proposed for analytically solving nonlinear differential equations, given by approximate series solutions. Homotopy-Based Methods in Water Engineering attempts to present the wide applicability of these methods to water engineering problems. It solves all kinds of nonlinear equations, namely algebraic/transcendental equations, ordinary differential equations (ODEs), systems of ODEs, partial differential equations (PDEs), systems of PDEs, and integro-differential equations using the homotopy-based methods. The content of the book deals with some selected problems of hydraulics of open-channel flow (with or without sediment transport), groundwater hydrology, surface-water hydrology, general Burger’s equation, and water quality. Features: Provides analytical treatments to some key problems in water engineering Describes the applicability of homotopy-based methods for solving nonlinear equations, particularly differential equations Compares different approaches in dealing with issues of nonlinearity
From the Big Bang to the present day, discover the wonders of our ever-changing planet as you fold out this brightly illustrated book. Then turn it over to find out how, through billions of years of volcanic eruptions, ice ages and mass extinctions, life on Earth has emerged.
As governments around the world work towards achieving the Sustainable Development Goals by 2030, the trans-disciplinary topic of oceans management is fast being recognized as one of the most important challenges of the twenty-first century. This timely Handbook takes stock of the state of knowledge on ecosystem services derived from coastal and marine areas and offers innovative proposals for the future of this important topic. The Handbook on the Economics and Management of Sustainable Oceans brings together a carefully chosen collection of world-class contributions from ecology, economics and other development sciences. It provides policy-relevant scientific information on key topics such as ecosystem services from marine and coastal ecosystems and the nuances of economic valuation. Detailed chapters also consider relevant legal and sociological response policies for effective management of marine areas for enhanced human well-being. This comprehensive Handbook will be essential reading for advanced students and academics in economics, environment studies and resource management. The contributors also focus on the nexus of science-society and science-policy with the objective of educating decision-makers in governmental agencies, industry and civil society. Contributors include: M. Bailey, Y. Beaudoin, D. Belhabib, R. Bille, F. Bosello, J.H. Brito, V. Burgener, S. Bush, N. Carlson, S. Cataudella, L. Chabason, W. Chen, W. Cheung, G. da Fonseca, O.G. Davila, E. Delpiazzo, S.T.M. Dissanayake, P. Drankier, I. Drysdale, S. Dupont, F. Eboli, G. Fauville, N. Ferri, D. Fezzardi, M.R. Flores, Y. Fujita, B. Galil, M. Garmendia, A. Ghermandi, E. Giacomello, A. Giannouli, G. Gitti, J. Gowdy, R.A. Groeneveld, M. Hamid, S. Hansen, L. Hansson, L. Karrer, M. Kettunen, E. Kotoroni, P. Koundouri, V. Lam, H. Lindhjem, M. Loureiro, K. Magnussen, E. Mailli, A. Markandya, F. Marques, J. Marsden, F. Massa, J. Matos de Sousa, M. McField, G. Menezes, M. Metian, D. Miller, B. Milligan, K. Mintenbeck, E.Y. Mohammed, E.J. Molenaar, R. Mongruel, K. Mutafoglu, S. Navrud, P.A.L.D. Nunes, D.O. Obura, E. Ojea, N. Okubo, L. Onofri, A. Onuma, M. Omori, D. Osborn, A. Pacheco Capella, A. Padilla, C. Papagianni, M. Pascual, D. Pauly, A.G. Petersen, R. Pott, H. Ralison, A. Ressurreicao, J. Ribeiro, J. Richardson, J. Rochette, D. Russi, M. Samoilys, C. Santos, L.V. Santuario, P. Scheren, J.-P. Schweitzer, M. Seneque, C. Severin, P. Shah, I. Souliotis, A. Srour, P. Steele, D. Steinbach, R.M. Sultan, R. Sumaila, L.E. Svensson, V. Sweeney, J. Tanzer, P. ten Brink, L. The, F. Thevenon, J. van den Bergh, D. Waruinge, E. Watkins, S. Withana, P. Ziveri
This book offers an in-depth analysis and interpretation methods applicable to mine-induced seismicity. It is based on over 40 years of experience in mine and exploration geophysics. Another unique feature of this book is the complete history of the caving process as evidenced by the recorded seismicity at the South African copper mine Palabora Lift 1. Until now, the literature has only presented theory and case studies discussing the interpretation of results, and there has been no discussion of the input-data quality or why a certain interpretation technique was applied. This book fills that gap. This book is a fascinating read, written by one of the world's leading mine seismologists. It summarises the history and progression of mine seismology. It outlines the practical use of back analysis of data and how it can be used on a daily basis. The book explains how mine seismology can be used as an effective monitoring tool for key events as the mine progresses as well as for future caving operations.Anthony Allman MAusIMM, CP(Min), RPEQ Antcia Consulting Pty Ltd, Director, Mining Engineer The content of the book is really solid and robust and I have no doubt it is going to be considered a great contribution for the mining community.Raul Fuentes, Former Director of Master Program in Geomechanics Applied to Mining, Universidad de los Andes, Santiago, Chile This book is long overdue and helps to present some difficult concepts in a way that they can be clearly understood by non-experts in this area. Stefan has personally managed to take mine seismology from being a black-art into a useful tool to help make mines a safer and more controlled environment. Neil Hepworth C. Eng, MIMMM, Geomin Consultorio - Brazil, Consultant Mining and Geotechnics Seismic monitoring is an important tool in cave management. The information from monitoring allows a number of key production factors to be determined including cave advance rates, the approximate location of the cave back, insight into the size of the air gap and allows the tracking of broad changes in stress. These all assist in the day to day management of a safe and successful cave. Dr. Glazer's book provides guidance on the application of microseismicity to cave management through a review of appropriate theory and more importantly illustrates its use through case histories, particularly from the Palabora block cave. The text will be a good addition for all practitioners in cave engineering and operations.Allan Moss, General Manager - Grasberg Underground Liaison, Copper Development, Rio Tinto
Every night, above our heads, a drama of epic proportions is playing out. Diamond planets, zombie stars, black holes heavier than a billion Suns. The cast of characters is extraordinary, and each one has its own incredible story to tell. We once thought of our Earth as unique, but we have now discovered thousands of alien planets, and that's barely a fraction of the worlds that are out there. And there are more stars in the Universe than grains of sand on every planet in the Solar System. But amid all this vastness, the Milky Way Galaxy, our Sun and the Earth are home to the only known life in the Universe - at least for now. With a foreword from Professor Brian Cox, and access to all the latest stunning NASA photography, Andrew Cohen takes readers on a voyage of discovery, via the probes and telescopes exploring the outer reaches of our galaxy, revealing how it was formed and how it will inevitably be destroyed by the enigmatic black hole at its heart. And beyond our galaxy, the expanding Universe, which holds clues to the biggest mystery of all - how did it all begin? We now know more about those first moments of existence than we ever thought possible, and hidden in this story of how it all began are the clues to the fate of the Universe itself and everything in it.
An engaging, comprehensive, richly illustrated textbook about the atmospheric general circulation, written by leading researchers in the field. The book elucidates the pervasive role of atmospheric dynamics in the Earth System, interprets the structure and evolution of atmospheric motions across a range of space and time scales in terms of fundamental theoretical principles, and includes relevant historical background and tutorials on research methodology. The book includes over 300 exercises and is accompanied by extensive online resources, including solutions manuals, an animations library, and an introduction to online visualization and analysis tools. This textbook is suitable as a textbook for advanced undergraduate and graduate level courses in atmospheric sciences and geosciences curricula and as a reference textbook for researchers.
An unparalleled reference resource, the "Dictionary Geotechnical Engineering" consists of more than 70.000 unique entries. Many of the entries are supplemented by synonyms and/or additional explanations as required and useful. Besides terms from general geology, the dictionary lays emphasis on topics in applied geoscience. Main fields are: - mining - soil science - earthwork - exploration geology - geophysics - geomorphology - foundation engineering - hydrogeology - hydraulic engineering - cartography - geology of mineral deposits - mineralogy - oceanography - and surveying. More than 10.000 new terms are included in this second edition, plus extended explanations of many terms previously translated.
Lying off the south-western tip of Mull, the island of Iona has huge significance as the first important centre of Christianity in Scotland. But the Abbey itself is built upon rocks that tell of events of much greater antiquity: the Lewisian gneisses of western Iona are some of the oldest rocks in the world. Alan McKirdy explores the fascinating geology of the area - in particular the eruption of two major volcanoes around 60 million years ago whose magma chambers formed the spectacular hills and glens of the Ardnamurchan peninsula and Glen More on Mull; and the Ice Age, when glaciers ripped away much of the upper part of the two volcanoes and sandpapered the landscape to create the rounded contours we see today.
This book highlights some of the most difficult and persistent exploration ever undertaken in the United States - in Burnsville Cove, a small limestone valley in west-central Virginia - while at the same time reviewing the scientific discoveries made in the area's 116 km of caves in the course of 50 years. Overall, the book offers a unique combination of exploration and science by a conservation organization specifically dedicated to the preservation and study of the caves. |
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