Fish species Shortnose sucker and Lost River sucker, native to southern Oregon and northern California, are federally listed endangered species. Due to habitat recovery measures, the U.S. Fish and Wildlife Service proposes to remove both species from the Endangered Species Act. Collection contains documentation on the proposal.

David A. Ross is a Certified Wildlife Biologist with the Wildlife Society. He moved to Klamath Falls in April 1999 to work for the U.S. Fish and Wildlife Service. Collection contains assorted materials donated by David Ross, on riparian and wetlands issues in the local area.

The Klamath Region, typically known as the Klamath Basin, refers to the region in Oregon and California that is drained by the Klamath River. Collection contains a map of South-Central Oregon and Northern California with locations of lakes, rivers, marshes, Klamath Indian Reservation, and added images of birds, animals and fish inhabiting the area.