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184617 results.

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Page 7260, results 181476 - 181500

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Publication Extents

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An early Eocene florule from central Texas
Edward Wilber Berry
1925, Professional Paper 132-E
In 1916 I described a florule collected by Alexander Deussen and L. W. Stephenson at the town of Earle, in Bexar County, Tex. This florule was tentatively considered of Midway age by these geologists, and examination of the fossil plants tended to confirm this assignment, particularly because of their lack...
Rock formations in the Colorado Plateau of Southeastern Utah and Northern Arizona
C.R. Longwell, H.D. Miser, R.C. Moore, Kirk Bryan, Sidney Paige
1925, Professional Paper 132-A
The field work of which this report is a record was done in the summer and fall of 1921 by members of the United States Geological Survey. A project to build a large storage dam at Lees Ferry, on Colorado River in northern Arizona, called for a detailed topographic survey...
The evolution and disintegration of matter
Frank Wigglesworth Clarke
1925, Professional Paper 132-D
In any attempt to study the evolution of matter it is necessary to begin with its simplest known forms, the so-called chemical elements. During a great part of the nineteenth century many philosophical chemists held a vague belief that these elements were not distinct entities but manifestations of one primal...
Temperature of water available for industrial use in the United States: Chapter F in Contributions to the hydrology of the United States, 1923-1924
W. D. Collins
1925, Water Supply Paper 520-F
The importance of water supply as a limiting factor in industrial development is becoming more evident each year. The limitation in a particular instance may be the quantity of water available, the quality determined by the mineral matter in solution or in suspension or by organic pollution, or the temperature...