Great Northern Engineering Drawing: Shop Plan - Lateral Bracing, Bridge 378 - Wenatchee River, west of Leavenworth, Washington, Line Segment 037, Milepost 1681.1. Sheet 253 - 4014 - 12, 1928.

Great Northern Engineering Drawing: Shop Plan - Lateral/Cross Frame, Bridge 378 - Wenatchee River, west of Leavenworth, Washington, Line Segment 037, Milepost 1681.1. Sheet 253 - 4014 - 6, 1928.

Great Northern Engineering Drawing: Shop Plan - Lateral/Cross Frame, Bridge 378 - Wenatchee River, west of Leavenworth, Washington, Line Segment 037, Milepost 1681.1. Sheet 253 - 4014 - 17, 1928.

Great Northern Engineering Drawing: Shop Plan - Shoes, Bridge 378 - Wenatchee River, west of Leavenworth, Washington, Line Segment 037, Milepost 1681.1. Sheet 253 - 4014 - 10, 1928.

Great Northern Engineering Drawing: Tie Plan, Bridge 375 - Chumstick Creek, west of Leavenworth, Washington, Line Segment 037, Milepost 1673.5. Sheet 253 - 4017 - 12, 1928.

Great Northern Engineering Drawing: Timber Ball Deck Plan, Bridge 377 - Chumstick Creek, west of Leavenworth, Washington, Line Segment 037, Milepost 1679.9. Sheet 253 - 4015 - SEA1, 1928.

Great Northern Engineering Drawing: Trolley Pole Bracket, Bridge 378 - Wenatchee River, west of Leavenworth, Washington, Line Segment 037, Milepost 1681.1. Sheet 253 - 4014 - 18, 1928.

Great Northern Blueprint Number 1633-17-10, map of Trnsmission Line between Leavenworth and Cascade Tunnel Exhibit "J", 1908. Other subject categories: Map

Great Northern Blueprint Number 1633-17-9, map of Transmission Line between Leavenworth and Cascade Tunnel Exhibit "I", 1908. Other subject categories: Map