Image April 16, 2026 AZGS scientists contribute to breakthrough study on Colorado River and Grand Canyon history Read more
Image When the ground comes tumbling down: Subsidence that accompanies block caving Feb. 9, 2020 Read more
Image New mapping of the Blythe 7 ½’ quadrangle records the pre- and post-dam era history of transformation of the Lower Colorado River Jan. 6, 2020 Read more