Boulder Creek

U.S. BUREAU OF MINES, 1965, MERCURY IN WASHINGTON, IN MERCURY POTENTIAL OF THE UNITED STATES: U.S. BUREAU OF MINES INFORMATION CIRCULAR 8252, P. 366.BAILEY, E. H., U.S. GEOLOGICAL SURVEY, PERSONAL FILESHUNTTING, M. T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 264.SHEDD, S., 1924, THE MINERAL RESOURCES OF WASHINGTON WITH STATISTICS FOR 1922: WASHINGTON DIVISION OF GEOLOGY BULLETIN 30, P. 87-88.SMITH, G.O., AND CALKINS, F.C., 1906, GEOLOGIC ATLAS OF THE UNITED STATES, SNOQUALMIE FOLIO, WASHINGTON: U.S. GEOLOGICAL SURVEY ATLAS FOLIO 139, SCALE 1:125,000.TABOR, R.W., WAITT, R.B., JR., FRIZZELL, V.A., JR., SWANSON, D.A., BYERLY, G.R., AND BENTLEY, R.D., 1982, GEOLOGIC MAP OF THE WENATCHEE 1:100,000 QUADRANGLE, CENTRAL WASHINGTON: U.S. GEOLOGICAL SURVEY MISCELLANEOUS GEOLOGIC INVESTIGATIONS MAP I-1311, SCALE 1:100,000.