Katrina Erickson National Park Service No description specified. 1-3 (3 Records) Documents A Backcountry Learning Laboratory: Archeology and Internships at Petrified Forest National Park (2019) A History of Service: The Civilian Conservation Corps at Petrified Forest (2017) Lithic Landscapes and Basketmaker Villages: An Update of the 2014 Petrified Forest Boundary Expansion Survey (2015)