Ladd photo of ten ton Holt tractors skidding tree-length logs on bummers on the Moses Mountain logging unit. The machines fast supplanted horses for log skidding.; Scope and content: Photographic reports compiled by Harold Weaver illustrate forest management on Indian Reservation forests of Washington and Oregon, mainly on Colville where Weaver was Forest supervisor before becoming Regional Forester in 1960. Ther are a few photos of California and Montana and reports of scientific field trips.

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Size: 6336px × 3945px
Photo credit: © Tango Images / Alamy / Afripics
License: Licensed
Model Released: No

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