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Title:Supplement to Corrections and revisions for U.S. Geological Survey bulletin 930-A, 930-B, 930-C, and 930-D : Spirit leveling in Illinois, parts 1, 2, 3, and 4
Subject(s):Leveling
Bench-marks Illinois
Geographic Coverage:Illinois
Abstract:"Compiled by Illinois State Geological Survey, Engineering Geology and Topographic Mapping."
Issue Date:1969
Publisher:Champaign, Ill.: Illinois State Geological Survey
Type:Text
Language:English
URI:http://hdl.handle.net/2142/90147
Rights Information:Copyright 1969 University of Illinois Board of Trustees
Date Available in IDEALS:2016-05-23
OCLC Identifier:8161828


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