AFE 2549, Onondaga Mine, Minnesota, 1916. Remove 7754' Track. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Cost: $523. Series II. Lines East. Other Subject Categories: Track, Industry

AFE 23817, Onondaga Mine, Minnesota, 1914. Remove 300' Stock Pile Track. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Cost: $0. Series I. Lines East. Mesabi Division. Other Subject Categories: Track, Industry

AFE 21682, Onondaga Mine, Minnesota, 1912. Construct 56' Bridge Over Drainage Ditch. Interstate Commerce Commission Account Number 6, Bridges, Trestles, Culverts. Cost: $447. Series I. Lines East. Other Subject Categories: Structures, Bridges

AFE 21682, Onondaga Mine, Minnesota, 1912. Construct 56' Bridge to Accomodate Drainage Ditch. Interstate Commerce Commission Account Number 6, Bridges, Trestles, Culverts. Cost: $447. Series I. Lines East. Mesabi Division. Other Subject Categories: Structures, Bridges

AFE 21462, Onondaga Mine, Minnesota, 1912. Construct 430' Stock Pile Track. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Cost: $145. Series I. Lines East. Mesabi Division. Other Subject Categories: Track, Industry

AFE 18415, Onondaga Mine, Minnesota, 1910. Place Two Box Culverts Under Shaft Tracks. Interstate Commerce Commission Account Number 6, Bridges, Trestles, Culverts. Cost: $905. Series I. Lines East. Mesabi Division. Other Subject Categories: Structures, Culverts

AFE 17721, Onondaga Mine, Minnesota, 1909. Construct 570' Stock Pile Track. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Cost: $1144. Series I. Lines East. Other Subject Categories: Track, Industry

AFE 16322, Onondaga Mine, Minnesota, 1909. Extend 950' to Spur and Construct 525' Run Around Track 4289. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Series I. Lines East. Other Subject Categories: Track, Industry

AFE 15409, Onondaga Mine, Minnesota, 1908. Construct 1500' Stock Pile Track, Remove Old Stock Pile Track. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Cost: $3447. Series I. Lines East. Other Subject Categories: Track, Industry

AFE 15106, Onondaga Mine, Minnesota, 1908. Construct 600' Stock Pile Track. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Cost: $724. Series I. Lines East. Other Subject Categories: Track, Industry