Electronic version of a public information circular discusses the lake's origin, flooding, developments near the lake, and related topics. Many photos.

Utah Geological Survey information and internet links about earthquakes and seismic risk in the state.

Maps and other information on Utah radon hazards. Also information on radon in general.

Earthquake information for Utah, Yellowstone National Park and the Intermountain Seismic Belt (ISB).

Investigates and reports on Utah's geologic hazards, mineral, energy, water, and paleontological resources; maps the state's geology; and provides geologic and topographic information.