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Publication Extents

Not all publications have extents, not all extents are completely accurate
Biogeochemistry of vanadium
Helen L. Cannon
1962, Open-File Report 62-25
Vanadium is known to occur in soils as vanadates of copper, zinc, lead, uranium, ferric iron, manganese, calcium, and potassium. Vanadium replaces aluminum in clays and occurs in porphyrin complexes in bituminous sediments.Small amounts of vanadium are stimulating to plants; large amounts are toxic. Ten to 20 ppm vanadium in...
Geology of the Straight Creek tunnel site, Clear Creek and Summit Counties, Colorado, and its predicted effect on tunnel construction
Charles Sherwood Robinson, Fitzhugh T. Lee
1962, Open-File Report 62-111
The purpose of this report is to present the preliminary results of the geologic and geophysical research conducted by the U. S. Geological Survey at the surface over the proposed Straight Creek tunnel. The results are interpreted and predictions are made, based primarily on statistical analyses, as to the probable...
Idri salt deposits, Fezzan Province, Libya
Gus H. Goudarzi
1962, Open-File Report 62-53
The Idri salt deposit, located 135 kilometers west of Brack in the Shatti Valley area of the Fezzan province, United Kingdom of Libya, covers an area of about 35 square Kilometers. It is connected to the newly constructed black-top Fezzan road by about 250 kilometers of secondary road. The deposit...