Great Northern Railway Authorization for Expenditure (AFE) 5271, Portage Pit, Montana, 1901.
Part of Great Northern Railway Authority for Expenditure Collection
AFE 5271, Portage Pit, Montana, 1901. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Series I. Lines West. Other Subject Categories: Track, Industry
Great Northern Railway Authorization for Expenditure (AFE) 7314, Portage Pit, Montana, 1902.
Part of Great Northern Railway Authority for Expenditure Collection
AFE 7314, Portage Pit, Montana, 1902. Remove All Tracks From Gravil Pit. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Cost: $892. Series I. Lines West. Other Subject Categories: Track, Industry
Plat Map of Great Northern Facilities at Portage Pit, Montana, 1915
Part of Timothy Miller Collection
Plat Map of Great Northern facilities at Portage Pit, Montana, December 20, 1915, Drawing Number 11103-2, Sheet Number 1, Line Segment 354, showing the Great Falls-Sweet Grass line.