'Department of the Interior, United States Geological Survey. TEI-840.' 'Prepared in cooperation with the U.S. Atomic Energy Commission.' 'Contours in northwest Las Vegas Valley from Malmberg, 1961.' Relief shown by contours. Shows township and range lines. Scale [ca. 1:253,440. 1 in.=aprrox. 4 miles] (W 114°00´--W 115°00´--N 37°00´/N 36°00´). Originally published in A summary of the ground-water hydrology of the area between the Las Vegas Valley and the Amargosa Desert, Nevada : with special reference to the effects of possible new withdrawals of ground water / by Isaac J. Winograd, published by the U.S. Geological Survey in 1963 as number 840 of the Trace elements investigations report.

'United States Department of the Interior, Geological Survey. Open-file report, 84-130, plate 1.' 'Prepared in cooperation with the Clark County Department of Comprehensive Planning.' 'Base from U.S. Geological Survey 1:100,000, Boulder City, Ariz.-Nev., Las Vegas, Nev.-Calif., Mesquite Lake, Nev.-Calif., 1978, Lake Mead, Nev.-Ariz., 1979.'Geology from Malmberg (1965); Longwell and others (1965); Haynes (1967); Bingler (1977); Bell and Smith (1980); Bell (1981); Matti and Bachhuber (1982); and Matti and Morton (1982a and b); modified by R. W. Plume, 1981.' Shows township and range lines. Scale [ca. 1:102,960. 1 in.=approx. 1.625 miles] (W 115°30´--W 115°00´/N 36°30´--N 36°00´). Series: Open-file report (Geological Survey (U.S.))84-130. Originally published as plate 1 of Ground-water conditions in Las Vegas Valley, Clark County, Nevada. Part I. Hydrogeologic framework / by Russell W. Plume, published by the U.S. Geological Survey in 1984 as Open-file report 84-130.

Map showing downtown Las Vegas and tracts to the west showing water supply lines, wells, springs, and settling basins. Various areas outlined in red and yellow. Scale [ca. 1:7,200] 1 in.=600 feet. Cadastral map. Blueline print. Areas owned by railroad outlined by hand in different colored markers. Library's copy includes hand-written calculations.

'S.P.L.A.&S.L.R.R. Los Angeles Division. Map of pipe line from Big Spring. Las Vegas, Nev. Approved: Jan. 24, 1911. E.M. Jessup, E.M. of W.' In lower right corner: '4-U-323.' Scale [ca. 1:2,400] 1 in.=200 feet. Relief shown by contours. North is to upper right.

Col. ; 51 x 69 cm. Oblique perspective map. Relief shown by landform drawings and spot heights. North is toward upper-right corner. "1M--10-33--1846--A.P.Co." printed in lower left corner. Published by the Pacific Coast Borax Company, Los Angeles, California, 1930. Signed by Howard Burke near lower right corner.

Transcribed from the original: 'Made in 1851 under the direction of Col J.J. Abert, Chief of Corps Topographical Engineers, by BVT. Capt. L. Sitgreaves, T.E., assisted by Lieut. J.G. Parke, T.E., and Mr. M.H. Kern. Drawn by R.H. Kern, 1852.' 'Gila River from a reconnaissance by Maj. Emory, Topographical Engrs. Colorado River below Camp Yuma from a reconnaissance by Lt. Derby Topographical Engrs.' Shows Indian villages and forts. Upper right corner partially missing. Scale [ca. 1:650,000]. Scale of 10 miles to one inch.' 'Ackerman Lith.: 379 Broadway, N.Y.'

46 x 65 cm. "IAPG guide book #7. General plate #1." "April 15, 1952." Includes bibliographic references and index of drilled wells Includes township and range grid. "Drawn by Oscar Baide, Jack Harde." "Compiled by I.A.P.G. under direction of L.F. Wells." Original publisher: I.A.P.G..