Extending from Colorado, USA, to the state of Chihuahua, Mexico, the Rio Grande rift divides the Colorado Plateau on the west from the interior of the North American craton on the east. The rift is ...
Between the village of Abiquiú and the turn off to Abiquiú Dam, U.S. 84 rises along a sandstone exposure and above the Rio Chama as it ascends what’s known as Trujillo Hill. A roadside pull-off ...
Anne Sheehan, a CU-Boulder professor and fellow of the Cooperative Institute for Research in Environmental Sciences, monitors a GPS station near Great Sand Dunes National Park and Preserve in Colorado ...
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