Burlington Northern Engineering Drawing: Deck Plan, Bridge T44.0 - Deschutes River, south of Oakbrook, Oregon, Line Segment 053, Milepost 43.94. Sheet 301 - 8474 - 1, 1982.

Burlington Northern Engineering Drawing: Tie Plan, Bridge T39.7 - Oak Canyon, Oakbrook, Oregon, Line Segment 053, Milepost 39.70. Sheet, 1973.

Burlington Northern Engineering Drawing: Tie Plan, Bridge T43.7 - Deschutes River, south of Oakbrook, Oregon, Line Segment 053, Milepost 43.65. Sheet 301 - 8661 - 1, 1983.

Burlington Northern Engineering Drawing: Tie Plan, Bridge T43.7 - Deschutes River, south of Oakbrook, Oregon, Line Segment 053, Milepost 43.65. Sheet 301 - 8661 - 2, 1983.

Burlington Northern Engineering Drawing: Tie Plan, Bridge T43.7 - Deschutes River, south of Oakbrook, Oregon, Line Segment 053, Milepost 43.65. Sheet 301 - 8661 - 3, 1983.

Spokane, Portland and Seattle Railway Engineering Drawing: Barrel Platform, Bridge T43.7 - Deschutes River, south of Oakbrook, Oregon, Line Segment 053, Milepost 43.65, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Bearings, Bridge T43.7 - Deschutes River, south of Oakbrook, Oregon, Line Segment 053, Milepost 43.65. Sheet Z - 6 - 13 - 8, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Bearings, Bridge T44.0 - Deschutes River, south of Oakbrook, Oregon, Line Segment 053, Milepost 43.94. Sheet Z - 6 - 13 - 7, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Bracing, Bridge T43.7 - Deschutes River, south of Oakbrook, Oregon, Line Segment 053, Milepost 43.65. Sheet Z - 6 - 13 - 6, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Cable Way for Placing Rock, Bridge T43.7 - Deschutes River, south of Oakbrook, Oregon, Line Segment 053, Milepost 43.65. Sheet RR - 513, undated.