An estimate of chemical loads from ground water to the Grand Calumet River and Indiana Harbor Canal, northwestern Indiana / by Timothy C. Willoughby and Qaadir A. Siddeeq ; prepared in cooperation iwth the U.S. Army Corps of Engineers.

SeriesWater-resources investigations report ; 01-4020
Water-resources investigations report 01-4020. ^A164969
General noteTitle from title screen (viewed Nov. 14, 2008).
Bibliography noteIncludes bibliographical references (p. 14).
Technical detailsMode of access: Internet from the USGS web site. Address as of 11/14/08: http://in.water.usgs.gov/newreports/grand-cal.pdf ; current access available via PURL.
Issued in other formWilloughby, Timothy C. Estimate of chemical loads from ground water to the Grand Calumet River and Indiana Harbor Canal, northwestern Indiana iv, 52 p.
GPO item number0624-B (online)
Govt. docs number I 19.42/4:01-4020

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