Observations on the geology of the United States of North America; with remarks on the probable effects that may be produced by the decomposition of the different classes of rocks on the nature and fertility of soils: applied to the different states of the Union, agreeably to the accompanying geological map., by William Maclure

Title:	Observations on the geology of the United States of North America; with remarks on the probable effects that may be produced by the decomposition of the different classes of rocks on the nature and fertility of soils: applied to the different states of the Union, agreeably to the accompanying geological map.
Author:	Maclure, William, 1763-1840
Note:	A. Small, 1818

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Subject:	Geology -- United States
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