Northern Pacific Engineering Drawing: Concrete Box, Culvert, Near Martins Bluff, Washington, Line Segment 052, Milepost 20.84. Sheet 424 - 3, undated.
Elements area
Taxonomy
Code
Scope note(s)
Source note(s)
Taken From: "List of Officers, Agents, Stations, Etc. Number 44" published by the NP Accounting Department.