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Contributions to economic geology (short papers and preliminary reports), 1929 : Part I. - Metals and nonmetals except fuels
No abstract available.
Authors
Gerald Francis Loughlin, George Rogers Mansfield, E. F. Burchard
Contributions to economic geology (short papers and preliminary reports), 1929: Part II. - Mineral fuels
No abstract available.
Authors
Hugh D. Miser
Contributions to economic geology, 1929: Part II. Mineral fuels. Geology and oil resources along the southern border of San Joaquin Valley, California
No abstract available.
Authors
H. W. Hoots
Contributions to the hydrology of the United States, 1929
No abstract available.
Authors
Nathan C. Grover
Fifty-first annual report of the Director of the Geological Survey
The appropriations made directly for the work of the Geological Survey for the fiscal year 1930 included 13 items, amounting to $2,182,671. In addition $150,000 was appropriated for printing and binding for the Geological Survey, and an allotment of $12,960 for miscellaneous supplies was made from appropriations for the Interior Department. A detailed statement of the amounts appropriated and expe
Authors
George Otis Smith
Geologic history of the Yosemite Valley
The problem of the origin of the Yosemite Valley inherently demands a solution in quantitative terms. Its essence is, To what extent is the valley a product of glacial action, to what extent a product of stream erosion? The principal result of the investigations upon which this report is based is the determination within narrow limits of the preglacial depth of the Yosemite Valley and of other fac
Authors
Francois E. Matthes