Letters from Barry to the University of Idaho Library on Idaho history and geography, his hand-drawn maps, and his unpublished "Idaho Source Material"; includes correspondence with Forest Service officials and others on routes of early travelers in the Pacific Northwest and photocopy of a typescript report on the Southern Nez Perce Trail.

Letters from Barry to the University of Idaho Library on Idaho history and geography, his hand-drawn maps, and his unpublished "Idaho Source Material"; includes correspondence with Forest Service officials and others on routes of early travelers in the Pacific Northwest and photocopy of a typescript report on the Southern Nez Perce Trail.

Letters from Barry to the University of Idaho Library on Idaho history and geography, his hand-drawn maps, and his unpublished "Idaho Source Material"; includes correspondence with Forest Service officials and others on routes of early travelers in the Pacific Northwest and photocopy of a typescript report on the Southern Nez Perce Trail.