| Reference | {Deposit:: MICHIGAN GEO-PULSE, 1987, GRAPHITE EVALUATION AND UTILIZATION RESEARCH: MICHIGAN GEO-PULSE, V. II, NO. 3, P. 4.}{Deposit:: SKILLING*MINING REVIEW, LARGE GRAPHITE DEPOSIT ON UPPER PENINSULA UNDER RESEARCH BY MICH TECH/GEOLOGICAL SURVEY: SKILLINSKILLING*MINING REVIEW, LARGE GRAPHITE DEPOSIT ON UPPER PENINSULA UNDER RESEARCH BY MICH TECH/GEOLOGICAL SURVEY: SKILLING*MINING REVIEW, V. 77, NO. 42, P. 8.}{Deposit:: TAYLOR, H.A., JR., 1988, GRAPHITE, IN U.S. BUREAU OF MINES MINERALS YEARBOOK 1986, V. I, METALS AND MINERALS: WASHINGTON, D.C., U.S. GOVERNMENT PRINTING OFFICE, P. 459-469.}{Reserve-Resource:: SKILLINGS, 1988, V. 77, NO. 42, P. 8.} |