AFE 60427, Monroe Mine, Minnesota, 1940. Remove Portion of Tracks # 1 and 2, Retire Portions Tracks # 1, 2, 3, and 4. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Cost: $0. Series II. Lines East. Other Subject Categories: Track, Industry

AFE 7751, Monroe Mine, Minnesota, 1918. Remove 1307' Track. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Cost: $761. Series II. Lines East. Other Subject Categories: Track, Industry

AFE 9296, Monroe Mine, Minnesota, 1903. Switch and Turnout at Exmore Yard for Temporary Supply Track. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Cost: $91. Series I. Lines East. Other Subject Categories: Track, Industry

AFE 9617, Monroe Mine, Minnesota, 1904. Construct Main Spur 4994' - Double Crossover. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Cost: $36773. Series I. Lines East. Other Subject Categories: Track, Industry

Great Northern Blueprint Number 1347-8, map of Monroe Mine Spur, 1911. Other subject categories: Right of Way and Track Map