Professional paper. 280-B-D. Geology of Saipan, Mariana Islands:pt. 2. Petrology and soils, chap. B. Petrology of volcanic rocks [with list of literature cited] by Robert George Schmidt: chap. C. Petrography of limestones [with selected bibliography] by J. Harlan Johnson; chap. D, Soils [with selected bibliography] by Ralph J. McCracken.

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