Great Northern Blueprint Number 1188-31-3, Track Profile, Kilroy, Montana, Kilroy to Durham Revision, 1909. Other subject categories: Profile

Great Northern Blueprint Number 1188-31-7, Track Profile, Kilroy, Montana, Kilroy to Durham Projected Revision of Main Line, 1912. Other subject categories: Profile

Great Northern Blueprint Number 1188-31-15, Track Profile, Kilroy, Montana, Kilroy - Durham Revision, 1913. Other subject categories: Profile

Great Northern Blueprint Number 1188-31-14, Track Profile, Kilroy, Montana, Kilroy to Durham Revision, 1913. Other subject categories: Profile

Great Northern Blueprint Number 1188-31-2, Track Profile, Kilroy, Montana, Kilroy to Durham Double Track Revision, undated. Other subject categories: Profile

Great Northern Blueprint Number 1216-15-2, Track Profile, Proposed Extension Klamath Falls to Bieber Amended, 1929. Other subject categories: Profile

Great Northern Blueprint Number 1216-27-3, Track Profile, Exhibit 'A' Revised Location, Klamath Falls to Bieber Mile 0 to 45, 1930. Other subject categories: Profile

Great Northern Blueprint Number 1216-20-2, Track Profile, Proposed Extension Klamath Falls to Bieber, 1930. Other subject categories: Profile

Great Northern Blueprint Number 1215-25-3, Track Profile, Proposed Connection to Oregon, California and Eastern Railway (1 copy plus negative), 1931. Other subject categories: Profile

Great Northern Track Profile, Change at Klamath Falls, 1931. Other subject categories: Profile