Now showing items 3593-3612 of 3662

        Title
        Mr. A. W. Skuderna, American Beet Sugar Company, Rocky Ford, Colorado [1]
        Nitrate negative. Irrigation Research Papers. Series 2: Photographs; 735: Wells and well drilling; 735A: Wells for irrigation; 735Aa: Screens - gravel envelopes. 735Aa0203: "Type of strainer used by Galen Evans of Nebraska on Browns place 1/2 mi east of school house, 4 miles east of Evans. 1 x 4 with spacers made of siding. 6' dia. 32' long". http://hdl.handle.net/10217/176383 [1]
        Nitrate negative. Irrigation Research Papers. Series 2: Photographs; 735: Wells and well drilling; 735A: Wells for irrigation; 735Aa: Screens - gravel envelopes. 735Aa0204: "Albrants shoe". http://hdl.handle.net/10217/176394 [1]
        Nitrate negative. Irrigation Research Papers. Series 2: Photographs; 735: Wells and well drilling; 735A: Wells for irrigation; 735Aa: Screens - gravel envelopes. 735B21: "Horsepower earth auger at F.F. Cuykendall well near Keenesburg. F.F. Claycomb, driller". http://hdl.handle.net/10217/176400 [1]
        Photograph series. Ralph L. Parshall Collection. Series 3: Visual and audio materials. Subseries 3.1: Photographic materials. Photographs: Alphabetical. Canal lining manual. Cover photo. http://hdl.handle.net/10217/81568 [1]
        Photograph series. Ralph L. Parshall Collection. Series 3: Visual and audio materials. Subseries 3.1: Photographic materials. Photographs: Alphabetical. Canal lining manual. Figure 1 and Figure 2. http://hdl.handle.net/10217/81568 [9]
        Photograph series. Ralph L. Parshall Collection. Series 3: Visual and audio materials. Subseries 3.1: Photographic materials. Photographs: Alphabetical. Canal lining manual. Figure 10. Rolling Oasis clay lining in Delta-Melville Canal, Utah, with a cylindrical roller filled with water to increase compaction, 1941. (Utah Agricultural Experiment Station photograph.). http://hdl.handle.net/10217/81568 [1]
        Photograph series. Ralph L. Parshall Collection. Series 3: Visual and audio materials. Subseries 3.1: Photographic materials. Photographs: Alphabetical. Canal lining manual. Figure 11. Compacted earth lining 3 feet thick on slopes of Conchas Canal, Tucumcari Reclamation photograph. (U.S. Bureau of Reclamation photograph.). http://hdl.handle.net/10217/81568 [1]
        Photograph series. Ralph L. Parshall Collection. Series 3: Visual and audio materials. Subseries 3.1: Photographic materials. Photographs: Alphabetical. Canal lining manual. Figure 12. Weed growth in lateral on College East Farm, Fort Collins, Colorado, one year after it was lined with bentonite. https://dspace.library.colostate.edu/handle/10217/81568 [1]
        Photograph series. Ralph L. Parshall Collection. Series 3: Visual and audio materials. Subseries 3.1: Photographic materials. Photographs: Alphabetical. Canal lining manual. Figure 13. Placing bentonite lining in Cache La Poudre Reservoir Company inlet canal. http://hdl.handle.net/10217/81568 [1]
        Photograph series. Ralph L. Parshall Collection. Series 3: Visual and audio materials. Subseries 3.1: Photographic materials. Photographs: Alphabetical. Canal lining manual. Figure 14. Methods used in placing and compacting bentonite-earth lining on Heart Mountain Canal, Wyoming, 1942. (U.S. Bureau of Reclamation photograph.). http://hdl.handle.net/10217/81568 [1]
        Photograph series. Ralph L. Parshall Collection. Series 3: Visual and audio materials. Subseries 3.1: Photographic materials. Photographs: Alphabetical. Canal lining manual. Figure 15. Methods of compacting soil-cement lining on main canal, Altus Project, Oklahoma, 1945. (U.S. Bureau of Reclamation photograph.). http://hdl.handle.net/10217/81568 [1]
        Photograph series. Ralph L. Parshall Collection. Series 3: Visual and audio materials. Subseries 3.1: Photographic materials. Photographs: Alphabetical. Canal lining manual. Figure 18. Placing asphaltic concrete lining over old concrete lining on lateral in California, 1923. http://hdl.handle.net/10217/81568 [1]
        Photograph series. Ralph L. Parshall Collection. Series 3: Visual and audio materials. Subseries 3.1: Photographic materials. Photographs: Alphabetical. Canal lining manual. Figure 19. Smoothing surface of asphaltic concrete lining with hot iron, California, 1923. http://hdl.handle.net/10217/81568 [1]
        Photograph series. Ralph L. Parshall Collection. Series 3: Visual and audio materials. Subseries 3.1: Photographic materials. Photographs: Alphabetical. Canal lining manual. Figure 20. Asphaltic concrete lining being placed with slip form machine, East Contra Costa Canal, Central Valley Project, California, 1939 (U.S. Bureau of Reclamation photograph.). http://hdl.handle.net/10217/81568 [1]
        Photograph series. Ralph L. Parshall Collection. Series 3: Visual and audio materials. Subseries 3.1: Photographic materials. Photographs: Alphabetical. Canal lining manual. Figure 21. Placing asphaltic concrete lining by hand, East Contra Costa Canal, Central Valley Project, California, 1939. (U.S. Bureau of Reclamation photograph.). http://hdl.handle.net/10217/81568 [1]
        Photograph series. Ralph L. Parshall Collection. Series 3: Visual and audio materials. Subseries 3.1: Photographic materials. Photographs: Alphabetical. Canal lining manual. Figure 22. Sheep foot roller used in compacting fill in preparation for lining on College East Farm, Fort Collins, Colorado, 1945. https://dspace.library.colostate.edu/handle/10217/81568 [1]
        Photograph series. Ralph L. Parshall Collection. Series 3: Visual and audio materials. Subseries 3.1: Photographic materials. Photographs: Alphabetical. Canal lining manual. Figure 23. Hand excavation of semi-circular section with template as guide, College East Farm, Fort Collins, Colorado, 1945. https://dspace.library.colostate.edu/handle/10217/81568 [1]
        Photograph series. Ralph L. Parshall Collection. Series 3: Visual and audio materials. Subseries 3.1: Photographic materials. Photographs: Alphabetical. Canal lining manual. Figure 24. Rotating hoe for trimming semi-circular section accurately to shape and grade, College East Farm, Fort Collins, Colorado, 1945. https://dspace.library.colostate.edu/handle/10217/81568 [1]
        Photograph series. Ralph L. Parshall Collection. Series 3: Visual and audio materials. Subseries 3.1: Photographic materials. Photographs: Alphabetical. Canal lining manual. Figure 25. Cross-section of semi-circular lining with tangent slopes, College East Farm, Fort Collins, Colorado, 1945. http://hdl.handle.net/10217/81568 [1]