Index to Geophysical Abstracts 136-139, 1949.

Washington, D.C. : U.S. G.P.O., 1952.

Under departmental orders, Geophysical Abstracts have been published at different times by the Bureau of Mines or the Geological Survey. Previous publications include bulletin nos. 887, 895, 909, 915, 925, 932, 939, 957, 959.

With: Geophysical abstracts 136-139, January-December, 1949.

Geological Survey (U.S.)

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