John Wesley Powell's "Exploration of the Colorado River" is a geological account of his 1869 expedition. It provided the first detailed scientific descriptions of the Grand Canyon and surrounding areas.
Sources for John Wesley Powell — Exploration of the Colorado River
John Wesley Powell — Exploration of the Colorado River in Earth Science
Held in the Earth Science chamber of the Babel Nexus Index.
- Robert FitzRoy — The Weather Book (1863)
- Charles Lyell — Principles of Geology (1830–1833)
- James Hutton — Theory of the Earth (1788)
- Alexander von Humboldt — Cosmos (1845)
- William Smith — Strata Identified by Organized Fossils (1816)
- Gideon Mantell — The Wonders of Geology (1838)
- John Tyndall — The Forms of Water (1872)
- Louis Agassiz — Studies on Glaciers (1840)
- Grove Karl Gilbert — Report on the Geology of the Henry Mountains (1877)