Filtered magnetic anomaly maps of Illinois

Geophysical Investigations Map 999
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Abstract

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Publication type Report
Publication Subtype USGS Numbered Series
Title Filtered magnetic anomaly maps of Illinois
Series title Geophysical Investigations Map
Series number 999
DOI 10.3133/gp999
Edition -
Year Published 1992
Language ENGLISH
Description 4 maps on 2 sheets :col. ;35 x 62 cm., sheets 86 x 79 cm. and 76 x 79 cm., folded in envelope 30 x 24 cm.
Scale 1000000
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