Reference | {Deposit:: PEARRE,N AND A.HEYL. CHROMITE AND OTHER MINERAL DEPOSITS}{Deposit:: IN SERPENTINE ROCKS OF THE PIEDMONT UPLAND OF MARYLAND,}{Deposit:: PENNSYLVANIA, AND DELAWARE. US GEOL.SURVEY BULL, 1082-K,P707}{Deposit:: REGIONAL PLANNING COUNCIL, BALTIMORE PLANNING COMM.}{Deposit:: GENERAL DEV. PLAN BALTIMORE REGION, 1972.}{Deposit:: HUNTER, W.L. & G.V. SULLIVAN. UTILIZATION STUDIES ON}{Deposit:: CHROMITE FROM SEIAD CREEK, CA. BUMINES R15576,1960,P22}{Reserve-Resource:: JERMAIN,G. WAR MINERALS RPT. LUTZ CHROMITE PLACER,NO.537}{Reserve-Resource:: BUMINES, 1943, 15PP.} |