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Publication Extents

Not all publications have extents, not all extents are completely accurate
Statistical summaries of water-quality data for two coal areas of Jackson County, Colorado
Gerhard Kuhn
1982, Open-File Report 82-121
Statistical summaries of water-quality data are compiled for eight streams in two separate coal areas of Jackson County, Colo. The quality-of-water data were collected from October 1976 to September 1980. For inorganic constituents, the maximum, minimum, and mean concentrations, as well as other statistics are presented; for minor elements, only...
Support by the U.S. Geological Survey for adjudications, compacts, and treaties
Alberto Condes de la Torre
1982, Open-File Report 82-680
The U.S. Geological Survey supports interstate compacts, treaties, and court decrees by providing hydrologic data and analysis needed in their administration and by providing Federal representation on compact commissions. As part of this program, in fiscal year 1982 the Geological Survey operated 171 streamflow stations, 3 sediment stations, and 13...
Estimating peak flow characteristics at ungaged sites by ridge regression
Gary D. Tasker
1982, Open-File Report 82-333
A regression simulation model, is combined with a multisite streamflow generator to simulate a regional regression of 50-year peak discharge against a set of basin characteristics. Monte Carlo experiments are used to compare the unbiased ordinary lease squares parameter estimator with Hoerl and Kennard's (1970a) ridge estimator in which the...
Water quality of Belton Lake, central Texas
H.B. Mendieta, Dale L. Pate
1982, Open-File Report 82-650
The concentrations of dissolved solids, chloride, and sulfate in Belton Lake on the Leon River in central Texas average about 240 milligrams per liter, 40 milligrams per liter, and 30 milligrams per liter, respectively. The water is hard or very hard, averaging 170 milligrams per liter as calcium carbonate. The...
Intrusive rocks of the Holden and Lucerne quadrangles, Washington— The relation of depth zones, composition, textures, and emplacement of plutons
Fred W. Cater
1982, Professional Paper 1220
The core of the northern Cascade Range in Washington consists of Precambrian and upper Paleozoic metamorphic rocks cut by numerous plutons, ranging in age from early Triassic to Miocene. The older plutons have been eroded to catazonal depths, whereas subvolcanic rocks are exposed in the youngest plutons. The Holden and...