TO HIS excellency 
WILLIAM H. SEWARD, 
GOVERNOR OP NEW-YORK. 
SIR: 
I have the honor to submit herewith the Report of the 
First Geological District of the State of New-York. 
I have the honor to remain, 
Your obedient servant, 
W. W. MATHER, 
Geologist of the First District. 
Oakland, Jackson County, Ohioj 
July 1, 1842, 
