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  1. An Introduction to Geology – Free Textbook for College-Level ...

  2. Introduction to Geology | Earth, Atmospheric, and Planetary …

  3. An introduction to geology | OpenLearn - Open University

  4. Lecture Notes and Slides | Introduction to Geology | Earth, …

  5. An Introduction to Geology (Johnson, Affolter, Inkenbrandt, and Mosher)

  6. 1.1: What is Geology? - Geosciences LibreTexts

  7. 1 Understanding Science – An Introduction to Geology

  8. Physical Geology - Open Textbook Library

  9. An introduction to geology: An Introduction to Geology: 1.1

  10. 2 Plate Tectonics – An Introduction to Geology