For the more information about the geologic resources of the National Park Service, please visit http://www.nature.nps.gov/geology/.
AML Hazard Signs
Mitigation measures used to address AML risks vary depending upon site conditions, access, and mitigation needs for a given feature. Following is a gallery of AML Signs - used to prohibit access at AML sites with public safety hazards.
National Park Service Program
Other Federal and State Programs
Last Updated: February 11, 2013