Observations on the geology of the United States of America; with some remarks on the effect produced on the nature and fertility of soils, by the decomposition of the different classes of rocks; and an application to the fertility of every state in the Union, in reference to the accompanying geological map ... By William Maclure.
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TextPublication details: Philadelphia, Printed for the author by A. Small, 1817.Description: ix, [10]-127, [2] p. front. (fold. map) fold. pl. 21 cmSubject(s): LOC classification: - QE77 .M12
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Read as a memoir before the American philosophical society, and inserted in the first volume of their Transactions, new series.
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