Reference | {Deposit:: GRAVITY SURVEYS,BAUXITE AREA,CENTRAL ARKANSAS,U.S.BUREAU OF}{Deposit:: MINES PROJECT 09-272.1101 CONTRACT IM 1163,HIELAND RESEARCH}{Deposit:: CORPORATION,DENVER,COLO.,5-1-43;MAP OF ARKANSAS BAUXITE DIS}{Deposit:: TRICT;GEOPHYSICAL SURVEY OF THE ARKANSAS BAUXITE REGION BY}{Deposit:: MARK C.MALAMPHY AND JAMES L. VALLELY} |