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Investigative drilling at Pretty Rocks slump
Denali National Park and Preserve » Investigative drilling at Pretty Rocks slump
The area known as "Pretty Rocks" at milepost 45.4 on the Denali Park Road (near Polychrome) continues to slump each year. This categorical exclusion approves geotechnical investigation along and below the park road at this location that will provide information about the geology and observable movement in the area. This information will be used to inform park management and maintenance of the road with respect to safety and functionality.