TY  - ABST
T1  - Observations on the geology of the United States of Americawith 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 ...
DA  - 1817.
CY  - Philadelphia,
AU  - Maclure, William,
CN  - QE77
CN  - QE77
PB  - Printed for the author by A. Small,
PP  - Philadelphia,
PY  - 1817.
N1  - Reprint by University Microfilms, 197?
N1  - Read as a memoir before the American philosophical society, and inserted in the first volume of their Transactions, new series.
ID  - 11827
KW  - Geology
TI  - Observations on the geology of the United States of Americawith 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 ...
ER  -