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A national study of the streamflow data-collection program
Manuel A. Benson, Rolland William Carter
1973, Water Supply Paper 2028
The streamflow data program of the U.S. Geological Survey was evaluated in a nationwide study during 1970. The principal elements of the study were (1) establishing the objectives and goals of the program, (2) analyzing all available data to determine which of the goals have already been met, (3) considering...
Mercury in the Carson and Truckee River basins of Nevada
A. S. Van Denburgh
1973, Open-File Report 73-352
Upstream from major pre-1900 ore milling in the Carson and Truckee River basins, "background" concentrations of total mercury in the upper 1 to 3 inches of sand- to clay-sized stream-bottom sediment are less than 0.1 ug/g (microgram per gram). Downstream, measured concentrations were as much as 200 times the background...