The collection contains materials relating to Ray Lung's management of the Klamath Indian Management Trust (KIMT) administered by the United States National Bank of Portland. These include reports and proposals, clippings and publications, correspondence, registers and rosters, financial statements, maps, and photographs, as well as a scrapbook compiled by John D. Merritt. Some of the materials pertain to management of tribal forest land, led by US Bank trust forestry officer Robert Mezger. Tribal forest lands purchased by the federal government became part of the Winema National Forest.