Great Northern Railway Historical Society Blueprint Collection JSBP0946, Clayton, Washington, 1919. Bridge # 20. Rearrange Undercrossing. Authorization for Expenditure 9557. Interstate Commerce Commission Account Number 6, Bridges, Trestles, and Culverts. Other ICC account descriptions: ICC Account Number 6, Bridge.

AFE 78283, Clayton, Washington, 1949. Between Loon Lake and Clayton - Relay 4.5 Miles of Main Track. Interstate Commerce Commission Account Number 9 Rails Cost: $54000. Series II. Lines East. Marcus Division. Other Subject Categories: Track Maintenance, Rail

AFE 38229, Clayton, Washington, 1928. Repair to That Portion of Bridge #20 for Which Government Aid Was Received Under Afe 9557. Interstate Commerce Commission Account Number 6, Bridges, Trestles, Culverts. Cost: $210. Series II. Lines West. Marcus Division.

AFE 37567, Clayton, Washington, 1928. Rearrange Tracks Serving The Washington Brick, Lime and Sewer Company., Replacing No 7 - 56# Turnout in Warehouse Track with No. 9-68# and Extend Both Tracks 100 Feetat East End; Move Hay Bar N and Construct Frame Trestle on Brick Spur for Unloading Coal for Brick Company, at Clayton, Washington. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Cost: $2070. Series II. Lines West. Marcus Division.

AFE 335, Clayton, Washington, 1897. & Right of Way Fence. Interstate Commerce Commission Account Number 14, Crossings. Cost: $102. Series I. Lines West. Other Subject Categories: Crossings, Public