The Henderson Public Library Photograph Collection on Henderson, Nevada (approximately 1940-1988) depicts life and growth in Southern Nevada. The collection documents the growth of Henderson, Nevada through images of Basic Magnesium Incorporated, housing throughout the area, and events. The documentation of Basic Magnesium Incorporated, its activites, personnel, and buildings from 1942 through 1944 is prominent in this collection.
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