- US WaBuPNRA D0024A
- Collection
- 1888-1974
The "Authorization for Expenditure" files saved from the Great Northern Railway's Seattle Engineering offices cover "West End" locations in Washington, Oregon, British Columbia, Idaho and western Montana. They are identified in several SERIES CODES as follows:
AB - 1896-1898 Advisory Board (often called Additions and Betterments in error)
BS – code not deciphered
CP - 1918-1920 Corporate (non-United States Railroad Administration items)
EM – Eastern Railway of Minnesota (or Eastern Minnesota Railroad)
FOS – code not deciphered
GM - 1905-1907 General Manager Great Northern Railway (Lines West)
GP - 1925-1954 Glacier Park Company
GX - 1890-1896 Great Northern Railway, General Manager
IE - 1907-1919 Inland Empire System (Interurban and short lines near Spokane, Washington)
'I' (Roman Numeral) - 1896-1915 Great Northern Railway, Old Series
'II' (Roman Numeral) - 1915-1960 Great Northern Railway, New Series
KV - 1901-1902 Kootenai Valley Railway
MB - prior to 1890 - Saint Paul, Minneapolis & Manitoba Railway
PC - 1952-1970 Pacific Coast Railroad
RR - Great Northern Railway Assistant Chief Engineer
SC - 1927-1928 Spokane, Coeur d’Alene & Palouse Railway
SF - 1900-1907 Spokane Falls & Northern Railway (SF&N)
SG - 1906-1907 SF&N, General Manager
SL - 1905-1940 Somers Lumber Company
SN – Seattle and Northern Railway
VW - 1906-1907 Vancouver, Westminster & Yukon Railway
WO – code not deciphered
WT - 1905-1935 Washington Townsite Company
Mattson, James C.