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. With two copper plates. Read May 16th, 1817.
|Main Author:||Maclure, William, 1763-1840.|
[Philadelphia, A. Small, 1818]
> United States.
col. map (fold.), col. diagr. (fold.)
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