Great Northern Engineering Drawing: Timber Ball Deck Plan, Bridge 319.5, west of Nemo, Washington, Line Segment 037, Milepost 1552.90. Sheet 287 - 4713 - SEA1, undated.
Elements area
Taxonomy
Code
Scope note(s)
Source note(s)
Taken From: "GN Locations" database compiled by Jim Chinquist, year 1950.