710A19: Canal flowing next to dirt road

2016-05-02
2016-05-02

710Aa04: Water flowing over plants in unlined canal

2016-05-02
2016-05-02

710Aa05: Wooden bridge over unlined canal

2016-05-02
2016-05-02

700Ma60: Wood footbridge over cement flume in dry irrigation ditch

2016-05-02
2016-05-02

710Aa0601: Barbed wire fence across irrigation canal

Cottonwoods growing in and next to canal

2016-05-02
2016-05-02

710Aa0602: Four men in hats lowering sandbags from bridge into water

2016-05-02
2016-05-02

710Ac01: "A.J. Hammon calls this a P&O ditcher. Lyman Wright, San Luis Valley"

1951-04-24
2016-05-02
2016-05-02

710Ad01: "Seepage measurements section A. Colorado Potato Expt Station"

1946-10-22
2016-05-02
2016-05-02

710Ad02: "Seepage measurements section B. Colorado Potato Expt Station"

1946-10-22
2016-05-02
2016-05-02

700Mb04: Trapezoidal weir in ditch

2016-05-02
2016-05-02

700Mb1201: Concrete bridge over weir, headgate on left bank and register box on right bank

2016-05-02
2016-05-02

700Mb1202: Concrete bridge over weir, register box on right bank and car in distance

2016-05-02
2016-05-02

700Mb1203: Two men on far bank of concrete weir

Bridge crosses weir at left. Logs strewn over ground in background.

2016-05-02
2016-05-02

Raw narration for "Uniting to Save the Soil: The Colorado Association of Soil...

Dr. James Hansen's raw narration for slide show, "Uniting to Save the Soil: The Colorado Association of Soil Conservation Districts and its 40-Year Legacy." There are interspersed segments of silence to allow for the future addition of clips from...

1984-05-17
2016-05-02
2016-05-02

Recording of an address by Hon. Ralph Carr delivered to the National Reclamation Assn.

Part 1 - 0:00-23:05, Part 2 - 23:05-46:18. Contents - 0:00-2:21 Toastmaster William R. Wallace introduces Ralph L. Carr, former Governor of Colorado 1939-1943; 2:22-44:27 Ralph Carr speaks and presents tribute honoring Delph Carpenter and his role...

1943-10-29
2016-05-02
2016-05-02

710Ba02: "Failure of concrete ditch lining on Phil Cummings placed 3.5 miles southwest...

1944-05-22
2016-05-03
2016-05-03

710Ba1901: Concrete-lined canal with turnout towards right side, Potato Experiment Station

2016-05-03
2016-05-03

710Ba1902: Concrete-lined canal with trees on left side, Potato Experiment Station

2016-05-03
2016-05-03

710Ba20: Concrete-lined canal with turnout towards left side, Potato Experiment Station

2016-05-03
2016-05-03

710Ba21: Concrete-lined canal, Potato Experiment Station

2016-05-03
2016-05-03

710Ba22: Concrete-lined canal, Potato Experiment Station

2016-05-03
2016-05-03

710Ba29: "Plaster of cement mortar on L.R. Love farm in Sec. 10. 4N.66W"

2016-05-03
2016-05-03

710Ba30: Concrete-lined canal with water next to road with car

Utility poles line canal and road

2016-05-03
2016-05-03

710Ba31: "Farr Farms Co"

Man working in flood irrigated field next to concrete lateral and turnout

2016-05-03
2016-05-03

710Ba32: Three men pouring concrete during canal construction

2016-05-03
2016-05-03