Hydrologic Unit Map-1974, State of Illinois

Hydrologic Unit 13
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Suggested Citation

Water Resources Division, U.S. Geological Survey, 1975, Hydrologic Unit Map-1974, State of Illinois: U.S. Geological Survey Hydrologic Unit 13, 1 Plate: 30.52 x 51.78 inches, https://doi.org/10.3133/hu13.

Study Area

Publication type Report
Publication Subtype USGS Numbered Series
Title Hydrologic Unit Map-1974, State of Illinois
Series title Hydrologic Unit
Series number 13
Subseries Illinois 1974
DOI 10.3133/hu13
Year Published 1975
Language English
Publisher U.S. Geological Survey
Description 1 Plate: 30.52 x 51.78 inches
Country United States
State Illinois
Scale 500000
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