'Edition of Mar. 1908.' 'E.M. Douglas, geographer in charge; Topography and triangulation by R.H. Chapman, B.D. Stewart, J.E. Blackburn, and D.F.C. Moor. Surveyed in 1906-1907.' Scale 1:250,000 (W 116°00--W 115°00/N 37°00--N 36°00). Relief shown by contours and spot heights. Title in lower-right corner: Las Vegas. Contour interval 100 feet. Datum is mean sea level. "Topography"--Center of top margin. Text about the Topographic Maps of the United States series and symbols used on map on verso. U.S. Geological Survey
'Henry Gannett, chief geographer ; A.H. Thompson, geographer in charge ; triangulation by H.M. Wilson ; topography by H.M. Wilson and Powell survey.' 'Edition of Mar. 1892, reprinted 1929.' Handwritten legend on right-side margin of map. Original publisher: Dept. of the Interior, U.S. Geological Survey. Scale 1:250,000 polyconic proj. (W 115°--W 114°/N 37°--N 35°).