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Geology topics

A.G. Leonard

Publications and source records attributed to A.G. Leonard.

4 recordsLinked to original sources

USGS1912

Bismarck folio, North Dakota

Explore the source record for details and available documents.

Folios of the Geologic Atlas↗

USGS1911

Contributions to economic geology, 1909, part II, mineral fuels--Petroleum and natural gas

No abstract available.

Bulletin↗

USGS1907

The Great Falls coal field, Montana. Coals of Carbon County, Mont. The coal fields of parts of Dawson, Rosebud, and Custer Counties, Mont.

No abstract available.

Bulletin↗

USGS1906

Contributions to economic geology, 1905: Coal, lignite, and peat

No abstract available.

Bulletin↗