Ephemeris of the sun and Polaris and tables of azimuths and altitudes of Polaris for the year ... /
Department of the Interior, General Land Office.
Ephemeris of the sun, Polaris, and other selected stars, with companion data and tables for the year ...
Ephemeris of the sun and Polaris and tables of azimuths of Polaris for the year ...
Washington : U.S. G.P.O., 1920-1943.
Surveying / Public lands /
Surveying / Public lands / United States /
Azimuth > Azimuth / Periodicals.
Polestar > Polestar / Periodicals.
Sun > Sun / Periodicals.
Description based on: 1928; title from cover.
24 v. ;
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