Wisconsin Geological and Natural History Survey. 
E. A. BIRGE, Director. 
BULLETIN NO. t. ECONOMIC SERIES NO. 1. 
ON THE 
FORESTRY CONDITIONS 
OF 
NORTHERN WISCONSIN 
FlLIBERT ROTH, 
Special Agent United States Department of Agriculture. 
MADISON, wis. 
PUBLISHED BY THE STATE 
1898 
