About this collection
1
resource types
resource types
2021
collection created
collection created
Apr 18, 2024
last updated
last updated
Plan maps and profile charts from the USGS hydrogeographic survey of the Colorado River of the 1920s.
Explore the collection geographically with the Plans and Profiles of the Colorado River interactive web map on ASU GeoData.
View the digital exhibit for the collection: Visualizing the Survey: Plans and Profiles of the Colorado River.