The L. F. Manis Papers on Boulder Dam, 1936-1957, contain material and publications relating to Boulder (Hoover) Dam and the Boulder Canyon Project. Included are brochures, pamphlets, postcards, a scrapbook, and newspaper clippings.
'F.V. Owen, publisher ... Los Angeles, California. Topography by C.H. Fenner, C.E. Decorations by L.J. Bergère. Gov't. data, H.A. Shamberger, C.E. Copyright, 1930, by F.V. Owen.' At bottom right of map: 'Dated Oct. 7th, 1930.' Relief shown by contours and spot heights. Contour lines are 100 feet. Incudes six hand-colored illustrations showing local points of interest. Includes information on Hoover Dam, and chart of mileages from Las Vegas. Scale [ca. 1:63,360]. 1 inch to 1 mile