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 rock; and an application to the fertility of every state int he union, in reference to the accompanying geological map. /
Maclure, William,1763-1840.
Small, Abraham,printer
Melish, J.
Tanner, Henry Schenk
Bennet & Walton,printers.
Map engraved by H.S Tanner; published by Bennett & Walton, Philadelphia; hand coloured.
With 'Explanation of plate II' cross sections on pages [129]-[130].