Hand-drawn, hand-colored and annotated map showing the 328 foot level of the Combination Mine.

'130 ft. level. Combination Mine.' 'Scale 1 in.=40 ft.' Hand-drawn, hand-colored and annotated map showing the 130 foot level of the Combination Mine.

'380 ft. level.' Hand-drawn, hand-colored and annotated map showing the 380 foot level of the Locke Mine.

'Red Top, 4th level. 5586.90.' Hand-drawn, hand-colored and annotated map showing the fourth level of the Rep Top Mine.

Scale [ca. 1:120]. 1 in. to 10 feet.--Scale [ca. 1:1,200.] 1 in. to 100 feet.--Scale [ca. 1:7,200. 1 in.=approx. 600 feet] --Scale [ca. 1:7,200]. 1 in.=600 feet. Vertical scale [ca. 1:240]. 1 in.=20 feet. 1 map : blueline ; 58 x 74 cm. At head of title: As constructed drawing. "W.O.-8577." "Drawing no. 41092." "City of Las Vegas Highway transcribed from drwg. approved Harlan Brown, City Engineer-Sept. 1943-H.D.A 12/31/43"--Hand-written note. Map of the water pipes for Las Vegas. Includes the buildings in the railroad yard, a detailed map of a section of the pipe, a profile of the 24 inch C.I. pipe, and a map of the point of diversion. Date of detailed map is 5-20-1930. From the Union Pacific Railroad Collection. Los Angeles & Salt Lake Railroad Company, Office of Chief Engineer

Genre/Form: Thematic maps. Scale 1:62,500 (W 115°15´--W 114°45´/N 36°15´--N 36°00´). 1 map : col. ; 45 x 72 cm. Series: Water-supply paper (Washington, D.C.) ; 1780. Relief shown by contours. Originally published as plate 9 of Available water supply of the Las Vegas ground-water basin, Nevada, by Glenn T. Malmberg, published by the Geological Survey in 1965 as its Water-supply paper 1780. Includes township and range lines. Interior, Geological Survey

'(3rd) 450 Ft. level Mohawk.' Hand-drawn, hand-colored and annotated map showing the 450 foot, or third, level of the Mohawk Mine.