TY - RPRT TI - Effects of seepage from fly-ash settling ponds and construction dewatering on ground-water levels in the Cowles unit, Indiana Dunes National Lakeshore, Indiana AU - William R. Meyer AU - Patrick Tucci PY - 1979 DO - 10.3133/wri78138 UR - https://pubs.usgs.gov/publication/wri78138 ID - wri78138 ER -