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Ground-water resources of Walsh County, northeastern North Dakota
Joe S. Downey
1971, Hydrologic Atlas 431
This investigation is part of a statewide program to determine the location, extent, and nature of the ground-water reservoirs (aquifers); to evaluate the occurrence and movement of ground water within these aquifers, including the sources and areas of recharge and discharge; to estimate the potential yields of wells tapping the...
Floods of July 4-8, 1969, in north-central Ohio
Ronald I. Mayo, Earl E. Webber, Davis W. Ellis
1971, Open-File Report 72-252
The storm of July 4-5, 1969, in north-central Ohio was an unprecedented event; never before has such intense and widespread precipitation been recorded for a summer storm in Ohio (U.S. Dept. of Commerce, 1969). More than 14 inches of rainfall in less than 24 hours were observed at several places....
Geochemical, aeromagnetic, and generalized geologic maps showing distribution and abundance of antimony and tungsten, Golconda and Iron Point quadrangles, Humboldt County, Nevada
R. L. Erickson, S.P. Marsh
1971, Miscellaneous Field Studies Map 313
Detailed geologic and geochemical studies of the four 7 1/2-minute quadrangles that make up the Edna Mountain 15-minute quadrangle in Humboldt County, Nevada, were begun during the 1969 summer field season. The objectives of the project are to map the geology of this structurally complex area at 1:24,000 scale and...
Geochemical, aeromagnetic, and generalized geologic maps showing distribution and abundance of gold and copper, Golconda and Iron Point quadrangles, Humboldt County, Nevada
R. L. Erickson, S.P. Marsh
1971, Miscellaneous Field Studies Map 314
Detailed geologic and geochemical studies of the four 7 1/2-minute quadrangles that make up the Edna Mountain 15-minute quadrangle in Humboldt County, Nevada, were begun during the 1969 summer field season.  The objectives of the project are to map the geology of this structurally complex area at 1:24,000 scale and...
The Shublik Formation and adjacent strata in northeastern Alaska description, minor elements, depositional environments and diagenesis
Harry Allison Tourtelot, Irvin L. Tailleur
1971, Open-File Report 71-284
The Shublik Formation (Middle and Late Triassic) is widespread in the surface and subsurface of northern Alaska. Four stratigraphic sections along about 70 miles of the front of the northeastern Brooks Range east of the Canning giver were examined and sampled in detail in 1968. These sections and six-step spectrographic...
Distribution of copper, lead, zinc, mercury, and arsenic in the surface sediments off the coast of northwestern Alaska
Peter Barnes, Kam Wo Leong
1971, Miscellaneous Field Studies Map 316
Increasing interest in potentially harmful substances utilized and discarded by man has raised question about the normal distribution of chemical elements in the natural environment.  This interest prompted a baseline study of a pristine region off the northern coast of Alaska.  Information was gathered on currents, water clarity, nutrients, temperature...
Hydrology and sedimentation of Corey Creek and Elk Run basins, north-central Pennsylvania
Lloyd A. Reed
1971, Water Supply Paper 1532-E
Analysis of data collected from two small agricultural basins in northcehtral Pennsylvania during the period May 1954 to September 1967 indicates that conservation measures reduced the quantity of suspended sediment leaving the Corey Creek basin as a result of frequent storms during the growing season. Extensive soil conservation treatments were...