This is a reproduction of a book published before 1923. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the original artifact, or were introduced by the scanning process. We believe this work is culturally important, and despite the imperfections, have elected to bring it back into print as part of our continuing commitment to the preservation of printed works worldwide. We appreciate your understanding of the imperfections in the preservation process, and hope you enjoy this valuable book. ++++ The below data was compiled from various identification fields in the bibliographic record of this title. This data is provided as an additional tool in helping to ensure edition identification: ++++ Results Of Observations Made At The United States Coast And Geodetic Survey Magnetic Observatory At Cheltenham, Md., In ... And ...; Serial (U.S. Coast And Geodetic Survey) Daniel Lyman Hazard, U.S. Coast and Geodetic Survey, U.S. Coast and Geodetic Survey. Magnetic Observatory, Cheltenham, Md, U.S. Coast and Geodetic Survey. Magnetic Observatory (Cheltenham, Md.) G.P.O., 1918 Science; Geophysics; Geomagnetism; Science / Geophysics; Science / Magnetism

This is a reproduction of a book published before 1923. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the original artifact, or were introduced by the scanning process. We believe this work is culturally important, and despite the imperfections, have elected to bring it back into print as part of our continuing commitment to the preservation of printed works worldwide. We appreciate your understanding of the imperfections in the preservation process, and hope you enjoy this valuable book. ++++ The below data was compiled from various identification fields in the bibliographic record of this title. This data is provided as an additional tool in helping to ensure edition identification: ++++ Terrestrial Magnetism: Magnetic Declination In The United States For January 1, 1920; Volume 90 Of Special Publication; United States Coast And Geodetic Survey U.S. Coast and Geodetic Survey, Daniel Lyman Hazard U.S. Govt. Print. Off., 1922 Science; Geophysics; Geomagnetism; Science / Geophysics; Science / Magnetism

This is a reproduction of a book published before 1923. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the original artifact, or were introduced by the scanning process. We believe this work is culturally important, and despite the imperfections, have elected to bring it back into print as part of our continuing commitment to the preservation of printed works worldwide. We appreciate your understanding of the imperfections in the preservation process, and hope you enjoy this valuable book. ++++ The below data was compiled from various identification fields in the bibliographic record of this title. This data is provided as an additional tool in helping to ensure edition identification: ++++ Results Of Observations Made At The Coast And Geodetic Survey Magnetic Observatory At Vieques, Porto Rico; Issue 33 Of Serial (U.S. Coast And Geodetic Survey) Daniel Lyman Hazard, U.S. Coast and Geodetic Survey, William Norris McFarland, U.S. Coast and Geodetic Survey. Magnetic Observatory, Crab Island, Porto Rico, U.S. Coast and Geodetic Survey. Magnetic Observatory (Vieques, P.R.) G.P.O., 1922 Science; Geophysics; Geomagnetism; Science / Geophysics; Science / Magnetism

This is a reproduction of a book published before 1923. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the original artifact, or were introduced by the scanning process. We believe this work is culturally important, and despite the imperfections, have elected to bring it back into print as part of our continuing commitment to the preservation of printed works worldwide. We appreciate your understanding of the imperfections in the preservation process, and hope you enjoy this valuable book. ++++ The below data was compiled from various identification fields in the bibliographic record of this title. This data is provided as an additional tool in helping to ensure edition identification: ++++ Terrestrial Magnestism: Distribution Of The Magnetic Declination In The United States For January 1, 1915 With Isogonic Chart And Secular Change Tables; Issue 126 Of Serial (U.S. Coast And Geodetic Survey); Special Publication 2 U.S. Coast and Geodetic Survey, Daniel Lyman Hazard Govt. print. off., 1920 Science; Geophysics; Geomagnetism; Science / Geophysics; Science / Magnetism