Chapter1. Introduction -- Part I. Igneous Rocks -- Chapter2. Second Manassas -- Chapter3. Gettysburg -- Chapter4. Geomorphology and Civil War Combat Photography -- Part II. Metamorphic Rocks -- Chapter5. South Mountain -- Chapter6. Spotsylvania Court House -- Chapter7. Kennesaw Mountain -- Part III. Sedimentary Rocks -- Chapter8. Antietam -- Chapter9. Fredericksburg -- Chapter10. Stones River -- Chapter11. Petersburg -- Chapter12. Morris Island -- Chapter13. Conclusion.This book discusses the relationship between geology and fighting during the American Civil War. Terrain was largely determined by the underlying rocks and how the rocks weathered. This book explores the difference in rock type between multiple battlegrounds and how these rocks influenced the combat, tactics, and strategies employed by the soldiers and their commanding officers at different scales.