Spokane, Portland, and Seattle Railway Engineering Drawing: Hop Warehouse, 50 Foot X 126 Foot (Oregon Electric Railway) at Donald, Oregon, prepared in 1928. Burlington Northern File Number WW-515, Reference Number 10105, Sheet 001.

Spokane, Portland, and Seattle Railway Engineering Drawing: Hop Warehouse, 50 Foot X 126 Foot (Oregon Electric Railway) at Donald, Oregon, prepared in 1928. Burlington Northern File Number WW-516, Reference Number 10105, Sheet 002.

Spokane, Portland, and Seattle Railway Engineering Drawing: Hop Warehouse, 50 Foot X 126 Foot (Oregon Electric Railway) at Donald, Oregon, prepared in 1928. Burlington Northern File Number WW-517, Reference Number 10105.

Spokane, Portland, and Seattle Railway Engineering Drawing: Hop Warehouse, 50 Foot X 126 Foot (Oregon Electric Railway) at Donald, Oregon, prepared in 1941. Burlington Northern File Number WW-515A, Reference Number 10106.