Photographs - Irrigation Research Papers
Recent Submissions
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80001: Two men surveying for the Federal-State Cooperative Snow Surveys, Division of Irrigation, Soil Conservation Service, USDA
Stamp on back reads: "Official photograph. When used for publication credit J. G. James for Soil Conservation Service, USDA" -
780Fc12303: "Forest Service test of five foot Parshall flume"
Rest of caption reads: "General view of layout from lower end. Flume with 5 per cent sloping floor in foreground. With level floor in middle distance. San Dimas concrete dam in back-ground. San Dimas, California. Photo by Young." -
750H01: "Irrigation practices investigation - J.H. Gahart Ranch"
Rest of caption reads: "General view of experimental area, looking north from point near center of southern end of the plot. At extreme far end in center is the stilling well of the water level recorded. The four distributing ... -
700H4104: Ralph Parshall next to Parshall measuring flume
Sign reading "ARMCO Parshall Measuring Flume" next to Parshall -
700J01: "Divisor in lateral S.E. of Fort Collins, Colorado"
Rest of caption reads: "Showing poor design and operation, but a rather typical installation." -
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700H11a: "Timber flume, Orchard Mesa Power Canal, Palisade"
Title information from "Frictional Resistance in Artificial Waterways" by V. M. Cone, R. E. Trimble, and P. S. Jones, 1914 -
8050103: Ralph Parshall and three other men with U.S.D.A. equipment
Ralph Parshall at left with three unidentified men and camera equipment in front of an automobile next to CSU's Civil Engineering Building -
850202802: Men at ditch demonstration
Group of men on both sides of vortex tube sand trap in Jackson Ditch at Bellvue Hydraulic Laboratory -
700Bb01: "Combined check gate and lateral headgate, Kicking Bird Canal"
One man standing on structure and another standing beside it -
800A02: Sign: "Federal-State Cooperative Snow Surveys. Snow-Survey Shelter. Do Not Molest."
Sign further reads, "Travelers! This shelter is essential to the safety of snow surveyors who use it during the snow season. United States Department of Agriculture, Soil Conservation Service, Division of Irrigation."
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