Author: MARTHA CARR
Title: The District of Columbia Its Rocks and Their Geological History
Description: Department of the Interior Press. 1950. Soft Cover. PB/pub.1950/Gd. condition/58 pages - Geological Survey Bulletin 967..(KE4869z). Good.

Keywords: rocks, geology, washington, d.c., research, mines, ore, gold, minerials, survey, earth, maps, reference, geography, topography, land, personal finance science archaeology


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