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 /
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| Format: | Book |
| Language: | English |
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| Item Description: | Read as a memoir before the American philosophical society, and inserted in the first volume of their Transactions, new series. Microfilm. Ann Arbor, Mich., University Microfilms [n.d.] (American culture series, Reel 416.5) Microform. |
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| Physical Description: | ix, [10]-127 pages, [2] pages : frontispiece (folded map) folded plate ; 21 cm. |