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Pliocene and Pleistocene Foraminifera from southern California
No abstract available.
Authors
Rufus Mather Bagg
Potash-bearing rocks of the Leucite Hills, Sweetwater County, Wyoming
The purpose of the present paper is to give a brief description of the rocks in the Leucite Hills, Wyo., with an estimate of the amount of leucite-bearing rock available and of the approximate amount of potash that these rocks may yield as soon as a process is discovered by which the potash may be dissociated from the rock cheaply enough for commercial use.
Authors
Alfred Reginald Schultz, Whitman Cross
Results of spirit leveling in New York, 1906 to 1911, inclusive
No abstract available.
Authors
Robert Bradford Marshall
Results of spirit leveling in Pennsylvania, 1899 to 1911, inclusive
No abstract available.
Authors
Robert Bradford Marshall