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Page 5354, results 133826 - 133850

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Reconnaissance of sediment transport and channel morphology in the Lower Rio Bermejo Basin, Argentina - with a section on reconnaissance of the lower Rio Pilcomayo Basin, Argentina and Paraguay
John R. Ritter
1976, Open-File Report 76-564
Sediment transport conditions are described for the Lower Rio Bermejo and the Rio Pilcomayo in the Gran Chaco region of northern Argentina and southern Paraguay. The Lower Rio Bermejo is in many ways atypical, as its channel narrows downstream. Also its flow decreases downstream even though average annual rainfall at...
Occurrence of arsenic in the Dry Creek Basin, Sonoma County, California
Robert F. Middelburg
1976, Water-Resources Investigations Report 76-30
A reconnaissance study was made of occurrence of arsenic in the Dry Creek basin in northern California where the U.S. Army Corps of Engineers proposes to construct Warm Springs Dam. The purpose of the study, made from August through November 1974, was to determine the extent of any potential arsenic...
Hydrologic evaluation of salinity control and reclamation projects in the Indus Plain, Pakistan--A summary
Maurice John Mundorff, P.H. Carrigan Jr., T.D. Steele, A. D. Randall
1976, Water Supply Paper 1608-Q
This report summarizes the observations and findings of a team of four specialists from the U.S. Geological Survey assigned to Pakistan under the auspices of the U.S. Agency for International Development during May to August 1972 for a hydrologic evaluation of Salinity Control and Reclamation Projects in the Indus Plain...
Artificial recharge through a well in fissured carbonate rock, west St. Paul, Minnesota
Harold O. Reeder, Warren W. Wood, G. G. Ehrlich, Ren Jen Sun
1976, Water Supply Paper 2004
The Prairie du Chien Group was injected with 2,754,000 gallons (368,200 cubic feet), or 10,430 cubic metres, of municipally treated water at about 100 gallons per minute (13.4 cubic feet per minute), or 6.3 litres per second, for 20 days. The injection-pipe system was designed to utilize pipe friction rather...
Hydrology and environmental aspects of Erie Canal (1817-99)
Walter Basil Langbein
1976, Water Supply Paper 2038
As the first major water project in the United States, the old Erie Canal provides an example of the hydrological and environmental consequences of water development. The available record shows that the project aroused environmental fears that the canal might be impaired by the adverse hydrologic effects of land development...
Hydrology and sedimentation of Bixler Run Basin, central Pennsylvania
Lloyd A. Reed
1976, Water Supply Paper 1798-N
Rainfall, streamflow, stream chemical, and sediment discharge data were collected from Bixler Run near Loysville, Pa., during the period from February 1954 to September 1969 as part of a project to evaluate sediment discharge from an agricultural area in which soil-conservation techniques were being adopted at a moderate rate. The...
An appraisal of ground water for irrigation in the Appleton area, west-central Minnesota
Steven P. Larson
1976, Water Supply Paper 2039-B
Supplemental irrigation of well-drained sandy soils has prompted an evaluation of ground water in the Appleton area. Glacial drift aquifers are the largest source of ground water. The surficial outwash sand and gravel is the most readily available and the most areally extensive drift aquifer, and it underlies much of...
Project development and data programs for assessing the quality of the Willamette River, Oregon
David A. Rickert, Walter G. Hines, Stuart W. McKenzie
1976, Circular 715-C
For nearly half a century the Willamette River in Oregon experienced severe dissolved-oxygen problems related to large loads of organically rich waste waters from industries and municipalities. Since the mid-1950 's dissolved oxygen quality has gradually improved owing to low-flow augmentation, the achievement of basinwide secondary treatment, and the use...
Methodology for river-quality assessment with application to the Willamette River basin, Oregon
David A. Rickert, Walter G. Hines, Stuart W. McKenzie
1976, Circular 715-M
For nearly half a century the Willamette River in Oregon experienced severe dissolved-oxygen problems related to large loads of organically rich waste waters from industries and municipalities. Since the mid-1950 's dissolved oxygen quality has gradually improved owing to low-flow augmentation, the achievement of basinwide secondary treatment, and the use...