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
The Greg Kibler Collection cosists of photographs, a Nothern Pacific 1914 Yellowstone Tours and Fares book, a 1920 Agreement Book for Clerks, Freight Handlers and Station Employees and newspaper clippings compiled by John Francis Murray.
The Greg Overton Collection holds Burlington Northern maps of the Missoula, Montana railroad yard.
The Gregory Wills Collection comprises 2 Burlington Northern hard hats, 1 Great Northern belt buckle, 1 Great Northern battery lantern and a Great Northern necklace.
Wills, Gregory C.The Hal Will Collection includes 57 photographs, principally of Great Northern Railway equipment, taken in the Seattle, Washington area between 1947 and 1956.
Will, HalThe Hamlin Simonson Collection consists of a photograph of the Wallace, Idaho depot.
Simonson, HamlinThe Harold Shannon Collection consists of over 300 photographs, primarily of Northern Pacific Railroad subjects. Most were taken in the mid-twentieth century.
Shannon, Harold H.The Harold Shannon Collection includes miscellaneous railroad items.
Shannon, HaroldThe Harold Simon Collection incorporates digital copies of 9 maps of railroad changes at the Dalles Dam and 1 partial pad of Great Northern telegraph blanks.
The Harold Vollrath Collection consists of photographs of Northern Pacific Railroad Class L-9 locomotives Numbers 1040-1133.
Vollrath, Harold