For the more information about the geologic resources of the National Park Service, please visit


Inventory Report

  • 2014 Comprehensive AML Inventory and Assessment Report (pdf - 6.29 MB) new
  • AML Inventory by Park and Region Summary Table (Table C-1 from AML I&A Report: pdf - 55 KB) new

AML Technical Reports

AML Closure Drawings and Specifications


Examples of Abandoned Mineral Lands Hazard Warning Signs


NPS AML Presentations

  • NPS AML Inventory & Assessment Project FY10-12 Webinar, May 8, 2013 (.wmv - 60MB)
  • Slides used in webinar, above (PDF - 1.8MB)
  • View a 2009 NPS AML poster presented at the George Wright Society Conference (pdf - 4MB)



Related Links



Last Updated: May 07, 2015