THE 
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 
1 84 0. 
