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Page 5787, results 144651 - 144675

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Geology of the Golden Zone mine area, Alaska
C. C. Hawley, Allen L. Clark, J. Alan Benfer
1968, Open-File Report 68-122
The Golden Zone mine area, in the upper Chulitna district, is underlain mainly by siltstone and tuff, volcanic conglomerate and breccia, and limestone. These rocks were invaded, probably in the Tertiary, by dikes and a small stock of porphyry. The ore deposits of the area are the Golden Zone breccia...
Hydrology of Crater, East and Davis Lakes, Oregon; with section on Chemistry of the Lakes
Kenneth N. Phillips, A. S. Van Denburgh
1968, Water Supply Paper 1859-E
Crater, East, and Davis Lakes are small bodies of fresh water that occupy topographically closed basins in Holocene volcanic terrane. Because the annual water supply exceeds annual evaporation, water must be lost by seepage from each lake. The seepage rates vary widely both in volume and in percentage of the...
Sedimentary features of the Blackhawk formation (Cretaceous) at Sunnyside, Carbon County, Utah
John O. Maberry
1968, Open-File Report 68-170
The Blackhawk Formation at Sunnyside, Utah, was deposited along the western margin of the Western Interior Cretaceous sea during southeastward withdrawal of the sea. Sand was the dominant type of land-derived sediment deposited in the Sunnyside district during the regressive phases. Sand bodies prograded seaward in response to changing sediment...