Mechanical and Civil Engineering, Division of [former name], NMAH, SI
Grand Coulee Dam (Wash.)
Hoover Dam (Nev. and Ariz.)
0.6 cu. ft.; 3 boxes
Herbert S. Grassman, Oak Park, Illinois, consulting engineer.
These papers contain detailed plans and photostats for the Hudson River vehicular tunnel, 1920-1921; a proposal and specifications for water gate equipment and water supply tunnels for Detroit, 1927; Detroit Department of Water Supply contract documents for tunnels, 1926; Detroit Water Commissioners report on tunnel design, test arches, and piers, 1926; specifications for water supply tunnels at the Fords and Rouge plants of Ford Motor Company, 1926-1929; New York State Public Service Commission contract drawings for rapid transit railroad, 1915; New York City Board of Water Supply information for bidders, 1931; Department of Interior specifications for steel outlet pipes for Hoover Dam, 1932; and invitations for bids on pipes, fittings, and valves for Grand Coulee Dam, 1939.