1 - Department Of Water Resources

Sep 08, 2004 · It is located on the shoreline of the Salton Sea and is composed of rhyolite, obsidian, and pumice. Ancestral shorelines of Lake Cahuilla can be observed at Obsidian Butte. The other domes are located at Rock Hill, Red Island, and Mullet Island (Hunter, 1998a). Hot Springs. Hot springs are located in several areas throughout the Salton Trough. ................
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