U.S. Congressional Serial Set V. 7018

7018 1 (1915-1916)

handle is hein.usccsset/usconset38582 and id is 1 raw text is: DEPARTMENT OF THE INTERIOR
FRANKLIN K. LANE, Secretary
UNITED STATES GEOLOGICAL SURVEY
GEORGE OTIS SMITH, Director
Professional Paper 94
ECONOMIC GEOLOGY
OF
GILPIN COUNTY AND ADJACENT PARTS OF CLEAR CREEK
AND BOULDER COUNTIES, COLORADO
BY

EDSON S. BASTIN AND JAMES M. HILL
WASHINGTON
GOVERNMENT PRINTING OFFICE
1917