FIN YG ie ES Eats GIN 
finding this book will confer a favor by pasting the following 
addressed label on the outside and depositing 
it in the nearest post office. 
Department of the Interior, 
U. S. GEOLOGICAL SURVEY. 
OFFICIAL BUSINESS. 
Penalty for private use, $800. 
To the Director of the 
United States Geological Survey, 
Washington, D. C. 

