Great Northern Blueprint Number 1216-36-1, map of Blair Reservoir (2 copies), 1910. Other subject categories: Filing Map

Great Northern Blueprint Number 1631-7-1, map of Blair Gravel Pit, 1915. Other subject categories: Filing Map

Great Northern Blueprint Number 1631-7-1, map of Blair Gravel Pit, 1916. Other subject categories: Filing Map

AFE 1023, Blair, Montana, 1899. Construct Section House. Interstate Commerce Commission Account Number 17, Roadway buildings. Cost: $195. Series I. Lines West. Montana Division. Other Subject Categories: Roadway Buildings, Section Facilities

AFE 1206, Blair, Montana, 1899. Crossover Between Main and Pass Trk. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Cost: $235. Series I. Lines West. Montana Division. Other Subject Categories: Track, Passing

AFE 12352, Blair, Montana, 1906. Extend. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Series I. Lines West. Other Subject Categories: Track, Passing

AFE 12518, Blair, Montana, 1906. Interstate Commerce Commission Account Number 13, Fences, Snowsheds and Signs. Series I. Lines West. Other Subject Categories: Fences, Right of Way

AFE 15193, Blair, Montana, 1920. Construct 400-Gallon Gasoline Storage Cellar for Additional Supply at Pumping Plant. Interstate Commerce Commission Account Number 18, Water Stations. Cost: $250. Series II. Lines West. Montana Division. Other Subject Categories: Servicing Facilities, Water

AFE 17234, Blair, Montana, 1909. Replace Piles and Approaches. Interstate Commerce Commission Account Number 6, Bridges, Trestles, Culverts. Series I. Lines West. Other Subject Categories: Structures, Bridges

AFE 18907, Blair, Montana, 1911. Remove 100 Ft of Track in The Blair Gravel Pit for Use Always. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Series I. Lines West. Other Subject Categories: Track, Industry