TY - BOOK T1 - Mine subsidence in Illinois :facts for the homeowner considering insurance / DA - [1981] CY - Champaign, Ill. : AU - DuMontelle, Paul B. VL - no.99 CN - QE105 CN - QE105 PB - Illinois State Geological Survey, PP - Champaign, Ill. : PY - [1981] N1 - "August 1981." ID - 40492 KW - Subsidences (Earth movements) KW - Mine subsidences TI - Mine subsidence in Illinois :facts for the homeowner considering insurance / ER -