From the Syphus-Bunker Papers (MS-00169). The folder contains an original handwritten letter, a typed transcription of the same letter, and a copy of original letter attached. Laura's last name "Lyman" is not included in letter or title, but there is correspondence with previous letter and location of Parowan, Utah.
Stamped : 'Approved (Signed) A. Maguire, Assistant Chief Engineer.' In lower right corner: '6-W-74.' Some annotations written over in yellow; black dotted line added between forebay and final spring in the northwest. Scale [ca. 1:6,000] 1 in.=500 feet
'As constructed. Drawing W.O. - 8577. Office of Chief Engineer, Los Angeles. Drawing No. 41092.' 'Scale for details 1"=10'. 5-20-1930. P.F.D.' 'Scale 1"=100'.' 'Profile of new 24" CI pipe. Scale 1"=600'. Ver. 1"=20'.' Blueprint. 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. Library's copy has hand-written additions in color. Los Angeles & Salt Lake Railroad Co., Office of Chief Engineer,
At top of map: 'United States Department of the Interior. Geological Survey. Open-file report 84-130, plate 5.' 'Prepared in cooperation with the Clark County Department of Comprehensive Planning.' At bottom of map: '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); Bell and Smith (1980); Bell (1981) and J. R. Harrill, 1976. Thickness of valley-fill deposits by R.W. Plume, 1981.' Includes three profiles. Shows township and range lines. Scale [ca. 1:95.040. 1 in.=approx. 1.5 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 5 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.
'United States Department of the Interior, Geological Survey. Open-file report 84-130, plate 3.' 'Prepared in cooperation with the Clark County Department of Comprehensive Planning.' 'Base from U.S. Geological Survey, 1:250,000, Las Vegas and Kingman, 1969.' 'Geology from Malmberg (1965); Longwell and others (1965); and J. R. Harrill, 1979. Lithology by R.W. Plume, 1981.' Contents: Coarse-grained deposits: 0-200 feet below land surface; 200-700 feet below land surface; 700-1,000 feet below land surface -- Fine-grained deposits: 0-200 feet below land surface; 200-700 feet below land surface; 700-1,000 feet below land surface. Scale [ca. 1:310,464. 1 in.=approx. 4.9 miles]. Series: Open-file report (Geological Survey (U.S.)) 84-130 Originally published as plate 3 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.
'United States Department of the Interior, Geological Survey. Open-file report 84-130, plate 4.' '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); Bell and Smith (1980); and J. R. Harrill, 1979.' Shows township and range lines. Scale [ca. 1:95.040. 1 in.=approx. 1.5 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 4 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.
At top of map: 'Department of the Interior. U.S. Geological Survey. Water supply paper2320-A, plate 5.' 'Prepared in cooperation with the Clark County Department of Comprehensive Planning.' At bottom of map: '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); Bell and Smith (1980); Bell (1981) and J. R. Harrill, 1976. Thickness of valley-fill deposits by R.W. Plume, 1981.' Includes three profiles. Shows township and range lines. Scale 1:100.000 (W 115°30´--W 115°00´/N 36°30´--N 36°00´). Series: U.S. Geological Survey water-supply paper, 2320-A. Originally published as plate 5 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 1989 as Water-supply paper 2320-A.
'Edited and published by the Bureau of Land Management. Base map prepared by the U.S. Geological Survey.' 'Surface management status by BLM, 1981.Minerals management status by BLM, 1981.' Relief shown by contours and spot heights. Contour interval 50 meters. Compiled from USGS maps dated 1952-1970. Revised from aerial photographs taken 1972-73. Map edited 1979. Includes location map and index to 1:24,000 and 1:62,500-scale maps. Shows minerals owned by the federal government. 'N3600--W11400/30x60.' 'SE/4 Las Vegas (NJ 11-12) 1:250,000-scale map.' Scale 1:100,000 universal transverse Mercator proj. (W 115°00'--W 114°00'/N 36°30'--N 36°00'). Series: Surface-minerals management status. United States. Bureau of Land Management. Surface-minerals management status. Filing title: Lake Mead, Nev.--Ariz., 1979. Shows township and range lines. Published by United States, Dept. of the Interior, Bureau of Land Management Denver, Colo. : For sale by U.S. Geological Survey,