TY - BOOK T1 - Preliminary sidescan-sonar investigatioin of shore-defense structures along Chicago's northside lake front :Wilson Avenue groin to Ohio Street Beach / DA - 1988. CY - Champaign, Ill. : AU - Chrzastowski, Michael J. AU - Schlee, John S., VL - 128 CN - QE105 CN - QE105 PB - Department of Energy and Natural Resources, Illinois State Geological Survey , PP - Champaign, Ill. : PY - 1988. N1 - "This report represents a special effort by the U.S. Geological Survey, Office of Energy and Marine Geology, and the Illinois State Geological Survey in response to emergency shore conditions at Chicago." ID - 123414 KW - Shore protection KW - Groins (Shore protection) TI - Preliminary sidescan-sonar investigatioin of shore-defense structures along Chicago's northside lake front :Wilson Avenue groin to Ohio Street Beach / ER -