Books about United States -- Discovery and exploration

Canyons of the Colorado

James's Account of S. H. Long's Expedition, 1819-1820, part 1

James's Account of S. H. Long's Expedition, 1819-1820, part 3

A Canyon Voyage : The Narrative of the Second Powell Expedition down the Green-Colorado River from Wyoming, and the Explorations on Land, in the Years 1871 and 1872

James's Account of S. H. Long's Expedition, 1819-1820, part 4

The Exploring Expedition to the Rocky Mountains, Oregon and California

James's Account of S. H. Long's Expedition, 1819-1820, part 2

Along Alaska's Great River

First Across the Continent

Narrative of an Expedition Through the Upper Mississippi to Itasca Lake, the Actual Source of This River

First through the Grand Canyon : Being the record of the pioneer exploration of the Colorado River in 1869-70