THB 



ELEMENTS OF GEOLOGY, 

 FOR POPULAR USE; / 



CONTAINING 



4 DESCRIPTION OF THE GEOLOGICAL FORMATIONS 

 AND MINERAL RESOURCES 



OF THE 



UNITED STATES. 



BY 



CHARLES A. LEE, M. D., 



LATE PROFESSOR OF MATERIA MEDICA AND MEDICAL 

 JURISPRUDENCE IN THE UNIVERSITY OF THE 

 CITY OF NEW-YORK. 



NEW-YORK: 



HARPER k BROTHERS, 82 CLIFF-STREET 



