Browsing by Subject "Yakima County (Wash.)"
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145. Pumping Data, Well Contracts, Power Schedule, Machinery Costs, Suggestions for Revision #1404, 1933 Letters between L. T. Jessup and Carl H. Rohwer exist concerning Yakima Valley and well drilling data. M. R. Lewis wrote a letter to W. W. McLaughlin concerning a well drilling contract prepared by Western Irrigation ...
710Be0226: "Placing 4-inch reinforced concrete lining in canal with power-operated screed, Rosa Division, Yakima Project, Washington" This negative is of a U.S. Bureau of Reclamation photograph. Title information from "Canal Lining Manual," by Carl Rohwer, 1946. See Figure 42.