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Page 6502, results 162526 - 162550

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Publication Extents

Not all publications have extents, not all extents are completely accurate
The flora of the Denver and associated formations of Colorado
Frank Hall Knowlton
Edward Wilber Berry, editor(s)
1930, Professional Paper 155
In the introduction to my report on the Laramie flora of the Denver Basin I stated that that was the first of what was proposed to be a series of papers dealing with the stratigraphy and paleobotany of certain Upper Cretaceous and lower Tertiary plant-bearing formtions of the Rocky Mountain...
Quality of water of the Colorado River in 1926-1928
C. S. Howard
N.C. Grover, editor(s)
1930, Water Supply Paper 636-A
This report gives the results obtained in the continuation of a study of the Colorado River begun in 1925.1 Most of the analyses here given represent composites of daily samples collected by the observers at the gaging stations on the Colorado River at Grand Canyon, Topock, and Yuma, Ariz. The...
Shorter contributions to general geology, 1929
Water Resources Division, U.S. Geological Survey
1930, Professional Paper 158
Thin beds that consist almost wholly of euhedral analcite crystals occur at five or more horizons in the upper half of the Green River formation of Utah and Colorado, a series of Eocene lake beds that contain large deposits of oil shale. Most of these beds contain also minute crystals...
Hawaiian Volcano Observatory record book 1930
1930, Report
The Hawaiian Volcano Observatory (HVO) record books are annual journals in which field observations of eruptive activity at Kīlauea and Mauna Loa volcanoes, on the Island of Hawaiʻi, were compiled by HVO staff for most years from 1912 through early 1966. In addition to descriptive observations, the record books also...
Fiftieth annual report of the Director of the Geological Survey
George Otis Smith
1929, Annual Report 50
The appropriations made directly for the work of the Geological Survey for the fiscal year 1929 included 14 items, amounting to $2,135,609. In addition $120,000 was appropriated for printing and binding for the Geological Survey, and an allotment of $14,765 for miscellaneous supplies was made from appropriations for the Interior...
The copper deposits of Michigan
B. S. Butler, W. S. Burbank
1929, Professional Paper 144
The copper district of Keweenaw Point, in the northern peninsula of Michigan, is the second largest producer of copper in the world.  The output of the district since 1845 has been more than 7,500,000,000 pounds and showed a rather steady and consistent increase from the beginning of production to the...