| Reference | {Deposit:: AUSTIN GEORGE S., 1972, INDIANA GEOLOGICAL SURVEY, PAGE 18.}{Deposit:: MESA HEALTH AND SAFETY INSPECTION REPORT AUGUST 30, 1973.}{Deposit:: MATERIAL IS MINED FROM THE UPPER PART OF THE BORDEN GROUP.}{Deposit:: A PERMANENT MILL IS LOCATED AT THE PIT SITE.}{Deposit:: MSHA MINE LIST 7-26-78.}{Deposit:: MSHA INSPECTION REPORT 5-14-81.} |