Elsnor

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.HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, P. 264.NORTHERN PACIFIC RAILWAY CO. 1941, TABULATED SUMMARY OF SPECIAL GEOLOGIC RECONNAISSANCE REPORTS OF WASHINGTON AND NORTHERN IDAHO: LAND DEPARTMENT, GEOLOGIC DIVISION, 19 P.FRIZZELL, V.A., JR., TABOR, R.W., BOOTH, D.B., ORT, K.M., AND WAITT, R.B., JR., 1984, PRELIMINARY GEOLOGIC MAP OF THE SNOQUALMIE PASS 1:100,000 QUADRANGLE, WASHINGTON: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 84-693, SCALE 1:100,000.U. S. Geological Survey and U. S. Bureau of Mines, 1989, Mineral resources of the Alpine Lakes Study Area and additions, Chelan, King, and Kittitas counties, Washington: USGS Bulletin 1542, 317 p.