Scale [ca. 1:72,000. 1 in.=approx. 6,000 feet] (W 115°10´--W 115°/N 36°20´--N 36´). Shows wells, springs, boundary between valley fill and bedrock, and ground water district boundaries for Las Vegas Metropolitan Area and North Las Vegas. "Figure 1." Nevada. State Engineer

Subtitle: 'On N 1/2 of SW 1/4 section 27, T 20 S, R 61 E, M.D. Mer. showing cast iron water mains. Including location and distances of valves, fire hydrants, house connections, etc. Constructed by Las Vegas Land &Water Company. Construction completed Nov. 25-1927. Cast iron pipe system throughout made at Provo, Utah by Pacific States Cast Iron Pipe Company. R.N. Clark, Construction Engineer. Map and survey made by J.T. McWilliams, C.E., Las Vegas, Nev.' Map shows ownership of some parcels of land. Scale [ca. 1:960]. 1 inch to 80 feet. Blueline print. Plat map.

Scale 1:250,000 ; Transverse Mercator proj. (W 116°--W 114°/N 37°--N 36°) ; 1 map : col. ; 45 x 72 cm ; Relief shown by contours and spot heights. Contour interval 200 feet ; Margin title ; "Compiled in 1955 by photogrammetric methods by U.S. Coast and Geodetic Survey and from Nevada 1:48,000 and 1:62,500, USGS, 1952-54, and Nevada 1:50,000, CE, 1952. Planimetric detail revised by photo-planimetric methods. Horizontal and vertical control by USGS, USC& GS, and CE. Photography field annotated 1954. Road data 1954." ; Shows townships and ranges ; Gives 1955 declination from true north ; Includes location diagram, reliability diagram, and sectionalized township map ; Filing title: Las Vegas, Nevada; Arizona; California ; Interior--Geological Survey