Report Upon the Determination of the Astronomical Co-ordinates of the Primary Stations at Cheyenne, Wyoming Territory, and Colorado Springs, Colorado Territory, Made During the Years 1872 and 1873: Geographical and Geological Explorations and Surveys West of the One Hundredth Meridian, First Lieut. George M. Wheeler, Corps of Engineers, in Charge. Dr. F. Kampf and J. H. Clark, Civilian Astronomical Assistants
U.S. Government Printing Office, 1874 - Astronomical observatories - 82 pages
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30m local sidereal 61 Cygni 79 Draconis adopted Aquarii Aquilæ ASSISTANTS astronomical August breaks Capricorni Cephei Changed charge Cheyenne chron chronograph chronom circuit Clamp clear Cloudy Colo Colorado Springs chronometer COLORADO TERRITORY Computations connection Corrections Cygni Date Delphini Determination difference Draconis Engineers eter exchange final result Groom Half-sum of dec heavy Herculis hour July 31 late Latitude LATITUDE-OBSERVATIONS-Continued Level longitude Lyræ Mean Mean for 17h Meridian Micrometer star minutes Name of Star nights Normal Equations Number Half-sum O.II observations Observations for Latitude.-Station October October 14 Ophiuchi pair Pegasi Piscium placed probable error rain reading received record REDUCTION Remarks Sagittarii Salt Lake chron SALT LAKE CITY SALT LAKE OBSERVATORY shows Springs chron station SURVEYS TABLES OF TIME-REDUCTIONS UNIFORM TABLES United UTAH TERRITORY Washington Western wind wires Wyoming Territory