Reference | {Deposit:: STATE OF ILLINOIS DEPT. OF TRANS., DIVISION OF HIGHWAYS.}{Deposit:: SOURCES AND PRODUCERS OF AGGREGATES FOR HIGHWAY}{Deposit:: CONSTRUCTION IN ILLINOIS. BULL. 23, 1973, P. 61. .}{Deposit:: MINERAL INDUSTRIES ESTABLISHMENTS IN ILLINOIS. U.S. BUREAU}{Deposit:: OF MINES, 1-8-79.}{Deposit:: RCF AND CMS LIST 10/81} |