The San Pedro River is Arizona's last undammed river. Joe Cook and his colleagues at the Arizona Geological Survey recently mapped the extent of Holocene channel and floodplain alluvium there.
Arizona’s Grand Canyon, its volcanoes, mountains, mesas, plateaus, rivers and washes are among the most spectacular geologic features on Earth. The wise and prudent use of Arizona’s lands, landscapes, and mineral resources is essential to preserving our geoheritage for future generations. Learn more about these amazing features, view photos and maps, or take a virtual tour.Learn About Arizona Geoheritage
Bringing geology and geologic processes to Arizonans in the classroom, meeting room, town hall or civic event has long been a role of the AZGS. Our online interactive maps along with our popular Down-to-Earth series of prominent geologic settings are viewed by 1000s each year.See More Outreach Resources
Earth science education is the key to building a science-literate citizenry capable of making informed decisions regarding our stewardship and sustainable use of finite earth materials. The role of AZGS is to provide teachers and students with resources to better comprehend the processes that shape our landscapes and provide our mineral resource.See More Educator Resources