Great Northern Engineering Drawing: Shop Plan - Structural Steel, Bridge 428, west of Grotto, Washington, Line Segment 037, Milepost 1738.4. Sheet 292 - 4705 - 5, 1941.
Elements area
Taxonomy
Code
Scope note(s)
Source note(s)
Taken From: "GN Locations" database compiled by Jim Chinquist, year 1950.