AFE 26171, Castle Rock, Washington, 1932. Agreement Granting County Easement for Under Crossing on Old Lp&N Right of Way. Interstate Commerce Commission Account Number 14 Crossings. Series A. Lines West. Other Subject Categories: Crossings, Public

AFE 53373, Castle Rock, Washington, 1937. Remove 500' Track Including 2 Switches of Old Lp&N Railway, Remove Bridges 13 and 15 Over Highways 18, 29. Interstate Commerce Commission Account Number 9 Rails Cost: $2070. Series II. Lines West. Cascade Division. Other Subject Categories: Track, Track Laying and Removal

Northern Pacific Engineering Drawing: 24 Foot Prestressed Concrete, Bridge 93.2 - west Stock Road, south of Castle Rock, Washington, Line Segment 052, Milepost 93.5. Sheet 390 - 8496, undated.

Northern Pacific Engineering Drawing: 26 Foot Prestressed Concrete, Bridge 93.2 - west Stock Road, south of Castle Rock, Washington, Line Segment 052, Milepost 93.5. Sheet 390 - 8496, undated.

Northern Pacific Engineering Drawing: Bent and Abutment Details, Bridge 93.2 - west Stock Road, south of Castle Rock, Washington, Line Segment 052, Milepost 93.5. Sheet 390 - 8496 - 2, undated.

Northern Pacific Engineering Drawing: Bent Details, Bridge 87+4250 - Buland Drive, Castle Rock, Washington, Line Segment 052, Milepost 87.80. Sheet 429 - 6, undated.

Northern Pacific Engineering Drawing: Bill of Material/Notes, Bridge 87+4250 - Buland Drive, Castle Rock, Washington, Line Segment 052, Milepost 87.80. Sheet 429 - 6, undated.