Observations on the geology of the United States of America [microform] : 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 ...
Imprint
Philadelphia : A. Small, 1817.
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Axe Basement Library of American Civilization Microfiche Cabinets