Hydrologic Unit Map -- 1974, Illinois

Hydrologic Unit 13



Publication type Report
Publication Subtype USGS Numbered Series
Title Hydrologic Unit Map -- 1974, Illinois
Series title Hydrologic Unit
Series number 13
Subseries Illinois 1974
ISBN 607767715
DOI 10.3133/hu13
Edition -
Year Published 1974
Language ENGLISH
Description col. map 126 x 74 cm. fold. in envelope 30 x 24 cm.; Reprint 1988; An overprint of the 1:500,000-scale state base map. Shows counties, location, and names of all cities and towns and most of the smaller settlements, railroads, and township and range lines in black; water features in blue; hydrologic boundaries and codes in red; county codes in green. No contours. Sheet 31 by 52 inches. 1972 base.
Scale 500000
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