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Browse more than 82,000 reports authored by our scientists over the past 100+ year history of the USGS and refine search by topic, location, year, and advanced search.

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Contributions to economic geology, 1909, Part II, Mineral fuels--Coal and Lignite

No abstract available.
Authors
Charles Butts

Contributions to economic geology, 1910, Part I, Metals and nonmetals except fuels--Structural materials; Building stone; Clays; Gypsum and plasters; Line and magnesite; Glass, sand, etc.; Abrasives

No abstract available.
Authors
Charles Butts, Thomas Nelson Dale, Alexander Deussen, Eugene Wesley Shaw, Ernest F. Burchard, George B. Richardson