Effects of coal fly-ash disposal on water quality in and around the Indiana Dunes National Lakeshore, Indiana / by Mark A. Hardy ; prepared in cooperation with the National Park Service.

Author/creator Hardy, Mark A. author.
Other author Geological Survey (U.S.) issuing body.
Other author United States. National Park Service.
Format Electronic
PublicationIndianapolis, Indiana : U.S. Geological Survey, 1981.
Description1 online resource (vi, 64 pages) : illustrations, maps.
Supplemental Contenthttps://purl.fdlp.gov/GPO/gpo147154
Subjects

SeriesWater-resources investigations ; 81-16
Water-resources investigations 81-16. ^A8339
General note"April 1981."
General noteGPO Cataloging Record Distribution Program (CRDP).
Bibliography noteIncludes bibliographical references (pages 45-49).
Source of descriptionDescription based on online resource; title from PDF title page (USGS, viewed Nov. 17, 2020).
Issued in other formPrint version: Hardy, Mark A. Effects of coal fly-ash disposal on water quality in and around the Indiana Dunes National Lakeshore, Indiana
Issued in other formMicrofiche version: Hardy, Mark A. Effects of coal fly-ash disposal on water quality in and around the Indiana Dunes National Lakeshore, Indiana
GPO item number0624-B-05 (online)
Govt. docs number I 19.42/4:81-16