817-446889 - Tumulo', geological formation due to swelling of the gypsum when it absorbs water.'Natural place of' Karts en Yesos'.park of Gypsum Karst.Sorbas, Almeria province, Andalucia, Spain
979-2606 - An aerial view of Isla San Marcos off the Baja Peninsula on the Gulf of California (Sea of Cortez) side. Baja California, Mexico. Note the dock and white gypsum mine operation on the lower (SW) side of the island.
817-171278 - A Wilderness River Adventures motorized pontoon rafting the rapids in Cataract Canyon, stopping to camp in Upper Gypsum Canyon, the Colorado River in Glen Canyon National Recreation Area, Utah, USA