TY - RPRT TI - Enhancement of fish and wildlife resources in the reclamation of hard rock mined lands in the upper Midwest: a guidelines manual AU - Barr Engineering Co. AU - Inc. Bather-Ringrose-Wolsfeld-Jarvis-Gardner AU - John P. Borovsky PY - 1981 UR - https://pubs.usgs.gov/publication/fwsobs80_64 ID - fwsobs80_64 ER -