Geologic hazards of the Zion National Park geologic-hazard study area, Washington and Kane Counties, Utah (SS-133)

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Multihazard Studies
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By: W. R. Lund, T. R. Knudsen, and D. L Sharrow

The Utah Geological Survey conducted a geologic-hazard investigation of a portion of Zion national Park to provide the National Park Service with geologic-hazard information for future park management. The ZNP Geologic-Hazard Study Area is a 154-square-mile area that encompasses Zion Canyon, Kolob Canyons, and Kolob Terrace, the Zion-Mount Carmel Highway corridor, and all currently developed and high-use areas of the park.

Results of this investigation include nine GIS-based geologic-hazard maps that cover flooding and debris flows, rock falls, landslides, surface faulting, liquefaction, collapsible soil, expansive soil and rock, gypsiferous soil and rock, and soil piping and erosion. The maps are an aid for general planning to indicate where site-specific studies are required.

Other Information:
Published: 2010
Pages: 97 p.
Plates: 9 pl.
Scale: 1:24,000
Location: Kane County and Washington County

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