References
DAVIS, W.C. PROGRESS REPORTS - METALLURGICAL DIVISION. REPORT OF TESTS. BUMINES RI 3328, 1937, PP. 131-135.ERICKSON, R.L. AND L.B. BLADE. GEOCHEMISTRY AND PETROLOGY OF THE ALKALIC IGNEOUS COMPLEX AT MAGNET COVE, ARKANSAS. U.S. GEOL, SURVEY PROF. PAPER 425, 1963, 91 P.FINE, M.M., H. KENWORTHY, R.B. FISHER, AND R.G. KNICKERBOCKER. TITANIUM INVESTIGATIONS: THE LABORATORY DEVELOPMENT OF MINERAL-DRESSING METHODS FOR ARKANSAS RUTILE. MINING TRANSACTIONS, V. 184, 1949, PP. 447-452.FRYKLUND, V.C., JR., R.S. HARNER, AND E.P. KAISER. NIOBIUM (COLUMBIUM) AND TITANIUM AT MAGNET COVE AND POTASH SULPHUR SPRINGS, ARKANSAS. U.S. GEOLOGICAL SURVEY BULL. 1015-B, 1954, 57 P.FRYKLUND, V.C., JR., AND D.F. HOLBROOK. TITANIUM ORE DEPOSITS OF HOT SPRING COUNTY, ARKANSAS. ARKANSAS RESOURCES AND DEVELOPMENT COMMISSION, DIVISION OF GEOLOGY, BULL. 16, 1950, 173 P.HERZ, N. TITANIUM DEPOSITS IN ALKALIC IGNEOUS ROCKS. U.S. GEOLOGICAL SURVEY PROF. PAPER 959-E, 1976, 6 P.NIEBERLEIN, V.A., M.M. FINE, W.A. CALHOUN, AND E.W. PARSONS. PROGRESS REPORT AND DEVELOPMENT OF COLUMBIUM IN ARKANSAS FOR 1953. BUMINES RI 5064, 1954, 23 PP.REED, D.F. INVESTIGATION OF MAGNET COVE RUTILE DEPOSIT, HOT SPRING COUNTY, ARKANSAS. BUMINES RI 4593, 1949, 9p.ROWE, R.B. ASSOCIATION OF COLUMBIUM MINERALS AND ALKALINE ROCKS. CANADIAN MINING JOURNAL, MARCH 1955, PP. 69-73.SPENCER, R.V. EXPLORATION OF THE MAGNET COVE RUTILE COMPANY PROPERTY, MAGNET COVE AREA, HOT SPRING COUNTY, ARKANSAS. BUMINES RI 3900, 1946, 7 PP.STROUD, R.B., R.H. ARNDT, F.B. FULKERSON, AND W.G. DIAMOND. MINERAL RESOURCES AND INDUSTRIES OF ARKANSAS. BUMINES BULL 645, 1969, PP. 246-251.TOEWE, E.C., R.W. SCHATZ, R.L. CARMICHAEL, B.W. GONSER, AND W.M. GOLDBERGER. EVALUATION OF COLUMBIUM-BEARING RUTILE DEPOSITS, MAGNET COVE, ARKANSAS. BATTELLE MEMORIAL INST. (COLUMBUS, OHIO), CONTRACT NO. 14-01-0001-1738, JANUARY (COLUMBUS, OHIO), CONTRACT NO. 14-01-0001-1738, JANUARY OR, OFFICE OF MINERALS AND SOLID FUELS, WASHINGTON, D.C.U.S. BUREAU OF MINES. RUTILE AND TITANIFEROUS MATERIALS DEVELOPMENT PROGRAM. INTERIOR CERTIFICATE 67-1, 1971, 117 P.VOGEL, F.A., JR. MINING AND MILLING OPERATIONS OF RUTILE MINE OF THE TITANIUM ALLOY COMPANY OF ARKANSAS, HOT SPRING COUNTY, ARKANSAS. BUMINES IC 7293, 1944, 7 P.WILLIAMS, J.F. THE IGNEOUS ROCKS OF ARKANSAS. ARKANSAS GEOLOGICAL SURVEY ANNUAL REPORT, V. 2, 1890-1891, 457 P.ZARTMAN, R.E., R.F. MARVIN, A.V. HEYL, AND M. BROCK. AGE OF ALKALIC INTRUSIVE ROCKS FROM EASTERN AND MID-CONTINENT STATES. U.S. GEOLOGICAL SURVEY PROF. PAPER 525-A, 1965, P. 162.PARKER, R.L., AND ADAMS, J.W., USGS PROF. PAPER 820