Reference | {Deposit:: MOORE MICMAIL C., 1975,INDIANA GEOL9OGICAL SURRVEY,PAGE 39.}{Deposit:: MESA HEALTH AND SAFETY INNPECTTION REPORT JULY 7-8, 1971}{Deposit:: MILL PROCESSES SAND AND GRAVEL DREDGED FROM THE OHIO}{Deposit:: RUVUIVER}{Deposit:: MSHA INSP. 1978}{Deposit:: MSHA LIST 11/23/79} |