Safford, Truman Henry, 1836-1901 |
Catalogue of the mean declination of 2018 stars between 0h to 2h and 12h to 24h right ascension and 10° and 70° of North declination for January 1, 1875 / prepared under the direction of Geo. M. Wheeler by T.H. Safford |
Washington : Government printing office, 1879. |
U.S. Geographical surveys west of the 100th meridian |
Report upon United States geographical surveys west of the one hundredth meridian / in charge of first lieut. Geo. M. Wheeler ; under the direction of A.A. Humphreys ; published by authority of the honorable the Secretary of war in accordance with acts of congress of June 23, 1874 and February 15, 1875 |
Washington : Government printing office, 1875-1889. |