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184617 results.

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Page 7281, results 182001 - 182025

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Gravel deposits of the Caddo Gap and De Queen quadrangles, Arkansas
Hugh D. Miser, Albert Homer Purdue
1919, Bulletin 690-B
Several thick deposits of gravel are widely distributed along the north edge of the Gulf Coastal Plain, of which a narrow belt is embraced in the southern parts of the Caddo Gap and De Queen quadrangles, Ark. This belt is shown on Plate I, and its location is shown on...
Contributions to economic geology, 1918, Part I, Metals and nonmetals except fuel
F. L. Ransome, Ernest Francis Burchard, Hoyt S. Gale
1919, Bulletin 690
The Survey's "Contributions to economic geology " have been published annually since 1902. In 1906 the increase in the number of papers coming under this (Classification made it necessary to divide the contributions into two parts, one including, papers on metals and nonmetals except fuels and the other including papers...