Overland Migrations: Settlers to Oregon, California, and Utah can be found here: https: //bookstore.gpo.gov/products/sku/024-005-00932-9
Wildland Fire in Ecosystems: Fire and Nonnative Invasive Plants can be found here: https: //bookstore.gpo.gov/products/sku/001-001-00686-6
Forest Health Monitoring: National Status, Trends, and Analysis, 2014 can be found here: https: //bookstore.gpo.gov/products/sku/001-000-04768-0
Major Forest Insect and Disease Conditions in the United States: 2013 can be found here: https: //bookstore.gpo.gov/products/sku/001-000-04767-1"