AFE 20779, Hill Annex Mine, Minnesota, 1922. Place Ballast at Tracks Serving Concentrator. Interstate Commerce Commission Account Number 11, Ballast. Cost: $3200. Series II. Lines East. Other Subject Categories: Track, Yard

AFE 25002, Hill Annex Mine, Minnesota, 1914. Construct 120' Tunrout for Entrance to Striipping Tracks. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Cost: $0. Series I. Lines East. Other Subject Categories: Track, Industry

AFE 25702, Hill Annex Mine, Minnesota, 1924. Construct 1780' Track and Extend Other Track. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Cost: $7250. Series II. Lines East. Other Subject Categories: Track, Yard

AFE 28552, Hill Annex Mine, Minnesota, 1925. Dig 1500' Ditch to Connect to Mine Discharge Ditch. Interstate Commerce Commission Account Number 3 Grading. Cost: $750. Series II. Lines East. Other Subject Categories: Track Maintenance, Grading and Embankment

AFE 35561, Hill Annex Mine, Minnesota, 1927. Shorten Concentrator Track 173' and Yard Track 291' ; Relocate Two Turnouts. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Cost: $250. Series II. Lines East. Other Subject Categories: Track, Yard

AFE 42554, Hill Annex Mine, Minnesota, 1930. Construct 720' Loading Track; Extend 261' Run Around Track; Remove 275' Second Tail Track. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Cost: $3900. Series II. Lines East. Other Subject Categories: Track, Yard

AFE 46532, Hill Annex Mine, Minnesota, 1932. Remove 1046' Shaft Track and 453' Coal Spur. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Cost: $140. Series II. Lines East. Other Subject Categories: Track, Industry

AFE 50591, Hill Annex Mine, Minnesota, 1936. Line Over 500' of Run Around Track for Addition to Concentrator Plant. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Cost: $200. Series II. Lines East. Other Subject Categories: Track, Yard

AFE 5188, Hill Annex Mine, Minnesota, 1917. Extend Main Spur and Construct 1800' Yard Track. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Series II. Lines East. Other Subject Categories: Track, Industry

AFE 5684, Hill Annex Mine, Minnesota, 1917. Place Crossing Shack at Crossing of Dm&N. Interstate Commerce Commission Account Number 16, Station and Office Buildings. Cost: $8. Series II. Lines East. Other Subject Categories: Station Facilities