References
OSBORN, E.F. AND RAINWATER, E.H., 1934, GEOLOGY OF THE CALUMET, COLORADO MINING DISTRICT: ILLINOIS NORTHWESTERN UNIVERSITY UNPUBLISHED M.A. THESIS.BEHRE, C.H., JR., OSBORN, E.F., AND RAINWATER, E.H., 1936, CONTACT ORE DEPOSITION AT THE CALUMET IRON MINE, COLORADO: ECONOMIC GEOLOGY, V. 31, NO. 8, P. 781-804.VAN DIVER, B.B., 1957, GEOLOGY OF THE CALUMET MINING DISTRICT, CHAFFEE COUNTY, COLORADO: UNIVERSITY OF COLORADO THESIS,SCOTT, G.R., TAYLOR, R.B., EPIS, R.C., WOBUS, R.A., 1978, GEOLOGIC MAP OF THE PUEBLO 1 DEG X 2 DEG QUADRANGLE SOUTH-CENTRAL COLORADO: USGS MAP I-1022, 1:250,000. &&BOARDMAN, S.J., 1976, GEOLOGY OF THE PRECAMBRIAN METAMORPHIC ROCKS OF THE SALIDA AREA, CHAFFEE COUNTY, COLORADO: THE MOUNTAIN GEOLOGIST, V. 13, NO. 3, P. 89-100. &&BOARDMAN, S.J., 1971, PRECAMBRIAN GEOLOGY AND MINERAL DEPOSITS OF THE SALIDA AREA, CHAFFEE COUNTY, COLORADO: PH.D. THESIS, UNIVERSITY OF MICHIGAN, 131 P. &&BELSER, CARL, 1956, TUNGSTEN POTENTIAL IN CHAFFEE, FREMONT, GUNNISON, LAKE, LARIMER, PARK, AND SUMMIT COUNTIES, COLORADO: USBM INFORMATION CIRCULAR 7748, P. 3-7 &&LEMMON, D.M. AND TWETO, O.L., 1962, TUNGSTEN IN THE UNITED STATES: USGS MAP MR-25 &&HARRER, C.M. AND TESCH, W.J., JR., 1959, RECONNAISSANCE OF IRON OCCURRENCES IN COLORADO: USBM INFORMATION CIRCULAR 7918, P. 14-17. &&HANLEY, J.B., HEINRICH, E.W., AND PAGE, L.R., 1950, PEGMATITE INVESTIGATIONS IN COLORADO, WYOMING AND UTAH, 1942-43: USGS PROFESSIONAL PAPER 227?F11) SHARPS, T.I., 1965, TUNGSTEN IN COLORADO: COLORADO SCHOOL OF MINES MINERAL INDUSTRIES BULLETIN, V. 8, NO. 5, P. 6.?F12) LIDNGREN, WALDEMAR, 1908, NOTES ON COPPER DEPOSITS IN CHAFFEE, FREMONT, AND JEFFERSON COUNTIES, COLORADO: USGS BULLETIN 340, P. 157-174?F13) BHUTTA, M.A., 1954, GEOLOGY OF THE SALIDA AREA, CHAFFEE AND FREMONT COUNTIES, COUNTIES, COLORADO: COLORADO SCHOOL OF MINES PHD THESIS, 173 P.VANDERWILT, J.W., 1947