Circular to accompany collections illustrating rock-weathering and soil formation which have been prepared by Department of Geology, U.S. National Museum, under direction ofDr. George P. Merrill, Head Curator.

Bibliographic Details

Other Authors:	Merrill, George P. (George Perkins), 1854-1929
Format:	Government Document eBook
Language:	English
Published:	Washington, D.C. : [publisher not identified], 1901.
Subjects:	Soil formation. Weathering. Electronic books.
Online Access:	Connect to the full text of this electronic document