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Water resources data for Washington, water year 1975
Water Resources Division, U.S. Geological Survey
1976, Water Data Report WA-75-1
Water resources data for the 1975 water year for Washington consist of records of stage, discharge, and water quality of streams; stage, contents, and water quality of lakes and reservoirs; and water-levels and water quality of wells and springs. This report contains discharge records for 250 gaging stations; stage only...
Distribution and trend of nitrate, chloride, and total solids in water in the Magothy aquifer in southeast Nassau County, New York, from the 1950's through 1973
Henry F. Ku, Dennis J. Sulam
1976, Water-Resources Investigations Report 76-44
Concentrations of nitrate, chloride, and total solids in water in the Magothy aquifer, southeast Nassau County, N.Y., show a steadily increasing trend from the early 1950 's through 1973. Vertical distribution of nitrate, chloride, and total-solids concentrations as shown in cross sections of the study area indicate downward movement of...
Ground water in the Harrisburg-Halsey area, southern Willamette Valley, Oregon
F. J. Frank
1976, Water Supply Paper 2040
The Harrisburg-Halsey area lies between the Cascade and Coast Ranges in the southern Willamette Valley in northwestern Oregon. The area consists of approximately 350 square miles (910 km2) and includes a part of the lower foothills of the Coast and Cascade Ranges. Volcanic and marine sedimentary units exposed in the...
Reservoir-system model for the Willamette River basin, Oregon
James O. Shearman
1976, Circular 715-H
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...
The United States Geological Survey in Alaska; organization and status of programs in 1976
Edward Huntington Cobb, editor(s)
1976, Circular 732
This report of the activities of the U.S. Geological Survey in Alaska is organized in four parts (1) services and responsibilities of the U.S. Geological Survey; (2) organization of the U.S. Geological Survey; 13) current U.S. Geological Survey activities; and (4) cooperative projects with Federal, State, and local agencies....
Selection of streamflow and reservoir-release models for river-quality assessment
Marshall E. Jennings, James O. Shearman, Daniel P. Bauer
1976, Circular 715-E
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...
Stability of highwalls in surface coal mines, western Powder Ridge Basin, Wyoming and Montana
Fitzhugh T. Lee, William K. Smith, William Z. Savage
1976, Open-File Report 76-846
Preliminary results from the first part of a two-part investigation of the stability of highwalls in open-pit coal mines in the Fort Union Formation of the western Powder River Basin of Wyoming and Montana indicate that these highwalls are subject to time-dependent deformation. Field investigations and laboratory physical-properties tests of...
Analytical precision of one-sixth order semiquantitative spectrographic analysis
J. M. Motooka, D. J. Grimes
1976, Circular 738
Over 2,700 separate analyses were made on 22 different geologic samples selected to cover wide concentration ranges for the 30 elements studied. The precision for low, medium, and high concentrations of each element determined is represented by superimposed frequency diagrams and displays the frequency of reported values occurring within one-sixth...
The Meridian-upper Wilcox aquifer in Mississippi
E. H. Boswell
1976, Water-Resources Investigations Report 76-79
The Meridian-upper Wilcox aquifer contains freshwater in a 15 ,000 sq mi area in northwestern and central Mississippi. The aquifer comprises the Meridian Sand Member of the Tallahatta Formation and discontinuous hydraulically connected sand beds in the upper part of the Wilcox Group. The aggregate sand thickness of the aquifer...