AFE 9755, Hill Annex Mine, Minnesota, 1919. Relay Crossing Frogs. Interstate Commerce Commission Account Number 9, Rails. Cost: $1060. Series II. Lines East. Other Subject Categories: Track Maintenance, Rail

AFE 90933, Hill Annex Mine, Minnesota, 1959. Construct Crossover 186' Long. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Cost: $4700. Series II. Lines East. Other Subject Categories: Track, Industry

AFE 89446, Hill Annex Mine, Minnesota, 1959. Place Crossing Frogs at Dm&Ir Tracks. Interstate Commerce Commission Account Number 9, Rails. Cost: $4500. Series II. Lines East. Other Subject Categories: Track, Industry

AFE 88688, Hill Annex Mine, Minnesota, 1956. Rearrange and Relay Present Track at Washing Plant, Make Crossover 260' Long and Remove 1264' Track with Two Turnouts. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Cost: $6800. Series II. Lines East. Other Subject Categories: Track Maintenance, Rail

AFE 88315, Hill Annex Mine, Minnesota, 1956. Rearrange Tracks to Retreat Talings Plant, Relocate 2719' Track; Relay 1084' Track. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Cost: $29400. Series II. Lines East. Other Subject Categories: Track Maintenance, Rail

AFE 83070, Hill Annex Mine, Minnesota, 1952. Rearrange Tracks for Jones and Laughlin Steel Corp. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Cost: $53625. Series II. Lines East. Other Subject Categories: Track, Industry

AFE 78816, Hill Annex Mine, Minnesota, 1949. Construct to Serve Wasing Plant. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Cost: $1900. Series II. Lines East. Other Subject Categories: Track, Industry

AFE 7731, Hill Annex Mine, Minnesota, 1918. Construct 2 Additional Tracks. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Cost: $7921. Series II. Lines East. Other Subject Categories: Track, Yard

AFE 75163, Hill Annex Mine, Minnesota, 1947. & Majoraca Mine - Place Home and Approach Signal on Dm&Ir. Interstate Commerce Commission Account Number 27, Signals and Interlockers. Cost: $13595. Series II. Lines East. Other Subject Categories: Signals, Other

AFE 7260, Hill Annex Mine, Minnesota, 1918. Construct Track for Concentrator Plant. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Cost: $34480. Series II. Lines East. Other Subject Categories: Track, Yard