TY - RPRT TI - Reassessment of the effects of construction dewatering on ground-water levels in the Cowles Unit, Indiana Dunes National Lakeshore, Indiana : Supplement to Geological Survey Water Resources Investigations 78-138 AU - Daniel C. Gillies AU - Wayne W. Lapham PY - 1980 DO - 10.3133/ofr801105 UR - https://pubs.usgs.gov/publication/ofr801105 ID - ofr801105 ER -