| Reference | {Deposit:: SINGEWALD, JR, J T, 1928, MD.G.S. VOL 12, PART 2, PP 107-108}{Deposit:: # FOR LOC. SEE MAP ATTACHED TO MCVEY QUARRY, CECIL CO.-LIST.}{Deposit:: NO.5.}{Deposit:: REF:PEARRE,1960,U.S.G.S.BULL.1082-K,PG.812.}{Deposit:: PEARRE, NANCY C, 1961, USGS MIN INV RES MAP MR-12.} |