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Title:Corrections and revisions for U.S. Geological Survey bulletin 930-D : Spirit leveling in Illinois, 1896-1942 : part 4, Northern Illinois
Subject(s):Leveling
Bench-marks Illinois
Geographic Coverage:Northern Illinois
Abstract:"Compiled by Illinois State Geological Survey, Section of Engineering Geology and Topographic Mapping."--Cover, p.1.
Issue Date:1966
Publisher:Champaign, Ill.: Illinois State Geological Survey
Type:Text
Language:English
URI:http://hdl.handle.net/2142/90142
Rights Information:Copyright 1966 University of Illinois Board of Trustees
Date Available in IDEALS:2016-05-23
OCLC Identifier:8161756


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