Public domain. Cover image from Project Gutenberg ebook #65704.

Guide to the Geologic Map of Illinois

by Illinois State Geological Survey

Chapters (5)

Guide to the GEOLOGIC MAP OF ILLINOIS 0:00
Guide to the GEOLOGIC MAP OF ILLINOIS: GLACIAL GEOLOGY 0:37
ILLINOIS STATE GEOLOGICAL SURVEY 22:07
EDUCATIONAL EXTENSION PROGRAM 23:57
Transcriber’s Notes 27:16

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Narrator: Arthur — English RP Narrator (en-GB)
Length: 28 min
Language: English
Added: November 8, 2026
Source ebook: Project Gutenberg
License: Public domain

Nonfiction