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Page 6547, results 163651 - 163675

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Publication Extents

Not all publications have extents, not all extents are completely accurate
The Pleistocene of Indiana and Michigan and the history of the Great Lakes
Frank Leverett, Frank Bursley Taylor
1915, Monograph 53
This monograph describes the glacial features and the great glacial lakes of a district in Indiana and Michigan lying between the areas covered by Monographs XXXVIII, and XLI. The glacial features are treated mainly by Mr. Leverett, and the glacial lakes and their moraines by Mr. Taylor. The pre-Wisconsin glacial...
Geology of the pitchblende ores of Colorado
Edson S. Bastin
1915, Professional Paper 90-A
The large amount of public interest that has recently been manifested in radium because of the apparent cures of cancer effected by certain of its emanations makes it desirable to place before the public as promptly as possible all available information in regard to the occurrence of the minerals from...
Contributions to the stratigraphy of southwestern Colorado
Whitman Cross, E. S. Larsen Jr.
1915, Professional Paper 90-E
In the course of field work of the United States Geological Survey in the San Juan region of Colorado observations have been made in the last three seasons that considerably extend our knowledge of the great stratigraphic break below the La Plata sandstone, which is currently assumed to be of...
Erosion and sedimentation in Chesapeake Bay around the mouth of Choptank River
J. Fred Hunter
1915, Professional Paper 90-B
With the unfolding of geologic knowledge during the last century the processes of denudation, transportation of sediments, and sedimentation have become better understood, and to some extent their relative effects in bringing about the present configuration of the earth's surface have been determined. The nature of these processes has been...
Dike rocks of the Apishapa quadrangle, Colorado
Whitman Cross
1915, Professional Paper 90-C
The Apishapa quadrangle, the geographic relations of which are shown by Plate IV, is situated on the plains south of Arkansas River, in Colorado, about 24 miles east of the mountain front. The geology of the Pueblo, Walsenburg, Spanish Peaks, and Elmoro quadrangles, adjoining it on the northwest, west, southwest,...
Belleville-Breese folio, Illinois
Johan August Udden, Eugene Wesley Shaw
1915, Folios of the Geologic Atlas 195
The Belleville and Breese quadrangles are bounded by meridians 89° 30' and 90° and parallels 38° 30' and 38° 45' and thus include one-eight of a square degree of the earth's surface, an area, in that latitude, of 466.56 square miles.  They lie in southwestern Illinois (see fig. 1), a...
Some mining districts in northeastern California and northwestern Nevada
James M. Hill
1915, Bulletin 594
Scattered over its sparsely settled and generally arid expanse the State of Nevada contains approximately 200 centers of past or present mining activity. Some of these mining districts, such as the Comstock,1 Eureka,2 Tonopah,3 and Goldfield,4 have added millions to the world's wealth in precious metals and have been given...