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Measurement Images of men near weirs, pipes, and gates used for irrigation 2007-01-02 2007-01-02
Miscellaneous Images of various locations and structures 2007-01-02 2007-01-02
Colorado, numbers 1947-1994 Images of rivers, reservoirs, dams, parks, and trails in Colorado 2007-01-02 2007-01-02
Pumping - Pumps sprinkler Images of pumps for sprinkler irrigation 2007-01-02 2007-01-02
Pumping - Pumps turbine Images of turbine pumps 2007-01-02 2007-01-02
Soils Images of fields and soil tests 2007-01-02 2007-01-02
Source Images of snow, ditches, and irrigated fields 2007-01-02 2007-01-02
Storage Images of dams, reservoirs, and conveyance structures 2007-01-02 2007-01-02
Storage - Large dams Images of large dams 2007-01-02 2007-01-02
Storage - Ponds Images of ponds 2024-04-26 2007-01-02 2007-01-02
Structures - Large, medium Images of diversion dams and drop structures 2007-01-02 2007-01-02
Transportation - Ditch conc[rete] lined Images of irrigation ditches and siphons 2007-01-02 2007-01-02
Transportation - Ditches general Images of irrigation ditches 2007-01-02 2007-01-02
Transportation - Ditching machinery Images of ditching machinery 2007-01-02 2007-01-02
Transportation - Ft. Sumner ditch Images of irrigation ditches 2007-01-02 2007-01-02
Transportation - Logan ditch Images of lining of Hyde Park-Smithfield ditch 2024-04-26 2007-01-02 2007-01-02
Transportation - Pipe underground, small Images of irrigation pipe and other structures 2007-01-02 2007-01-02
Transportation - Republican R. ditches Images of irrigation ditches fed by Republican River 2024-04-26 2007-01-02 2007-01-02
Transportation - Tucumcari Images of cleaning and lining canal 1961-04-26 2007-01-02 2007-01-02
Colorado, numbers 1995-2069 Images of rivers, reservoirs, dams, wilderness areas, and mountains in Colorado 2024-04-26 2007-01-02 2007-01-02
Water resources - Watersheds Images of construction of spillway 2024-04-26 2007-01-02 2007-01-02
Wells, screens, casings - Wells Images of wells and machinery for digging wells 2007-01-02 2007-01-02
Colorado, Utah, Nevada, numbers 2072-2114 Images of water treatment plant construction (Prairie Waters Project), wilderness areas, and mountains in Colorado 2007-01-02 2007-01-02
Bonneville Dam Images of Bonneville Dam 2024-04-26 2007-01-02 2007-01-02
Crops - Alfalfa, Colorado Images of baled alfalfa in field 2024-04-26 2007-01-02 2007-01-02

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