The preglacial Rock River Valley as a source of ground water for Rockford
Workman, Lewis Edwin
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https://hdl.handle.net/2142/42855
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Title The preglacial Rock River Valley as a source of ground water for Rockford Author(s) Workman, Lewis Edwin Contributor(s) Illinois State Geological Survey Issue Date 1938 Keyword(s) Geographic Coverage Rock River Valley (Wis. and Ill.) Illinois Rockford. Winnebago County Publisher Urbana, IL : Illinois State Geological Survey Series/Report Name or Number Circular no. 036 Type of Resource text Language eng Permalink http://hdl.handle.net/2142/42855 Has Version(s) http://hdl.handle.net/10111/UIUCOCA:preglacialrockri36work http://www.archive.org/details/preglacialrockri36work Copyright and License Information Public domain. Illinois state government document. Copyright 1938 Board of Trustees University of Illinois.
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