01387nam a22002291  4500001001300000003000400013005001700017008004100034010002300075040003700098043001200135050001500147051027800162051004200440100003400482245033900516260006200855300006300917500013200980650002801112999001701140gs 06000814 DLC20260227111304.0861217s1817    paubf         00010 eng c  ags 06000814 //r862  aU.S. Geol. Survey Libr./ICUcICU  an-us---0 aQE77b.M12  aQE77b.M12 Copy 2cCopy 2 in the Library of Congress. With this is bound the author's Essay on the formation of rocks ... Philadelphia, 1838; and his Observations on the geology of the West India islands, from Barbadoes to Santa Cruz, inclusive ... New-Harmony, Ind., 1832.  aQE77b.M12 Copy 3 Toner CollcCopy 3.10aMaclure, William,d1763-1840.10aObservations on the geology of the United States of America;bwith 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 ...cBy William Maclure.0 aPhiladelphia,bPrinted for the author by A. Small,c1817.  aix, [10]-127, [2] p.bfront. (fold. map) fold. pl.c21 cm.  aRead as a memoir before the American philosophical society, and inserted in the first volume of their Transactions, new series. 0aGeologyzUnited States.  c24480d24480