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An Introduction to Geology – Free Textbook for College-Level ...
Introduction to Geology - MIT OpenCourseWare
Laboratory Manual for Introductory Geology - Open Textbook …
An introduction to geology | OpenLearn - Open University
Lecture Notes and Slides | Introduction to Geology | Earth, …
Lecture Notes | Introduction to Geology - MIT OpenCourseWare
An Introduction to Geology (Johnson, Affolter, Inkenbrandt, and Mosher)
"Laboratory Manual for Introductory Geology" by Bradley …
An Introduction to Geology – Simple Book Publishing
Physical Geology - Open Textbook Library