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426 - 450 of 4310 Items << < 13 14 15 16 17 18 19 20 21 22 > >>
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change materially during the present flood in the Columbia, no accurate estimate can be made of its cost at this time.
By the end of March the bay behind the dike had shoaled materially, the low-water line making out so as to cover the single...
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RESIDUALISM - Downstream migrant salmonids get "lost" in a large reservoir and never make it through.
REVETMENT, RIPRAP - A protective structure along a stream bank to prevent erosion comprising several layers of broken stone.
RIPARIAN -...
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Construction of flood control dam across Five Mile Creek, early 1950s. L.M. Winsor Collection One black and white photograph (3 x 4.5 inches) mounted on board.
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After it leaves its eponymous Narrows, the Jordan River meanders north through its broad flood plain. UTA Frontrunner tracks share the flood plain on the west side of the river. The East Jordan Canal and a sand and gravel business can be seen on...
2011-05-02
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6
1 offices of the Division Engineers; activities of the Board of
2 Engineers for Rivers and Harbors and the Beach Erosion
3 Board; commercial statistics; and miscellaneous investiga-
4 tions; $13,000,000.
5 FLOOD CONTROL, MISSISSIPPI RIVER AND...
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6
1 offices of the Division Engineers; activities of the Board of
2 Engineers for Rivers and Harbors and the Beach Erosion
3 Board; commercial statistics; and miscellaneous investiga-
4 tions; $13,000,000.
5 FLOOD CONTROL, MISSISSIPPI RIVER AND...
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Aerial photograph of the mouth of San Antonio Canyon affixed to poster board. Handwritten annotations identify landmarks such as "Camp Baldy Road," "power house," "San Antonio Creek," "diversion works," "conservasion grounds" [sic] and "basins."
1934-12-16
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FEDERAL WATER RIGHTS LEGISLATION 11 waters" which the Congress adopted in section 3 of this act is worth noting: "navigable waters" means those parts of streams or other bodies of water over which Congress has jurisdiction under its authority to...
2009-02-01
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Initially, components of an aquatic food web were examined to study impacts of recreational use on the aquatic ecology of Quartzville Creek, Oregon in 1995 and 1996. Measurements of the food web components consisted of observations of harlequin...
1997-02-28 (iso8601)
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Photocopies of the decision for the 1947 case Enlarged Southside Irrigation Ditch Co. et al. v. John's Flood Ditch Co. et al. and a separation agreement between the Model Land and Irrigation Company and the City of Trinidad, Colorado, which...
2024-05-19
2015-10-21 2015-10-21 |
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Final report for the 2013 Northern Colorado Flood Oral History Project
2024-05-19
2015-09-29 2015-09-29 |
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River regulation imposes changes in the supply of sediment and the frequency of competent flows. As a result, impounded rivers often exhibit downstream changes in channel processes, particle size, and morphology. The magnitude of change in...
1997-01-20 (iso8601)
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Three orthophotographs. Images have an approximate scale of 1:76,000, and areas shown correspond entirely or partly to the following USGS 7.5-minute, 1:24,000 topographic maps: Commanche Peak, Pingree Park, Crystal Mountain, Trail Ridge, Estes...
1975-09-22
2007-01-02 2007-01-02 |
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This report summarizes results of economic analyses of erosion and sedimentation in five agricultural watersheds in Texas (see fig. 1). Economic analyses of the study areas considered both the on-farm economics of soil conservation and the...
2007-12-06
2007-12-06 1979-01-01 |
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This report summarizes results of economic analyses of erosion and sedimentation in five agricultural watersheds in Texas (see fig. 1). Economic analyses of the study areas considered both the on-farm economics of soil conservation and the...
2007-12-06
2007-12-06 1979-01-01 |
