AFE 2699, Penobscot Mine, Minnesota, 1900. Move 292' of Storage Track, Extend to 486'. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Cost: $895. Series I. Lines East. Other Subject Categories: Track, Yard

AFE 3521, Penobscot Mine, Minnesota, 1900. Remove 479' Track. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Cost: $0. Series I. Lines East. Other Subject Categories: Track, Industry

AFE 3799, Penobscot Mine, Minnesota, 1901. Laying Shovel Track. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Cost: $416. Series I. Lines East. Other Subject Categories: Track, Industry

AFE 4843, Penobscot Mine, Minnesota, 1901. Extend Steam Shovel Track 465'. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Cost: $369. Series I. Lines East. Other Subject Categories: Track, Industry

AFE 5456, Penobscot Mine, Minnesota, 1902. Remove 420' Steam Shovel Track. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Cost: $3. Series I. Lines East. Other Subject Categories: Track, Industry

AFE 6428, Penobscot Mine, Minnesota, 1902. Extend Track. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Cost: $273. Series I. Lines East. Other Subject Categories: Track, Industry

AFE 7451, Penobscot Mine, Minnesota, 1902. 350' Long - West of Hibbing. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Cost: $396. Series I. Lines East. Other Subject Categories: Track, Industry

AFE 7591, Penobscot Mine, Minnesota, 1903. Remove 435' Track. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Cost: $15. Series I. Lines East. Other Subject Categories: Track, Industry

AFE 8490, Penobscot Mine, Minnesota, 1903. Remove 1182' Side Track with Switch. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Cost: $55. Series I. Lines East. Other Subject Categories: Track, Industry

AFE 9696, Penobscot Mine, Minnesota, 1904. Removal Material Track. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Cost: $12. Series I. Lines East. Other Subject Categories: Track, Industry