AFE 22517, Riverdale, Montana, 1923. Extend Rip Rap Along Bank of Missouri River 300' East From Station 4025+42 Between Milepost 137 and 138. Interstate Commerce Commission Account Number 3, Grading. Cost: $1130. Series II. Lines West. Butte Division. Other Subject Categories: Track Maintenance, Rip Rap

AFE 1397, Riverdale, Montana, 1899. Put in Crossover Betyween Main and Side Tracks. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Cost: $274. Series I. Lines West. Other Subject Categories: Track, Track Laying and Removal

AFE 1192, Riverdale, Montana, 1899. Interstate Commerce Commission Account Number 3 Grading. Series I. Lines West. Other Subject Categories: Track Maintenance, Rip Rap

AFE 1182, Riverdale, Montana, 1899. Construct Dyke Across Mouth of Slough and Along Missouri River. Interstate Commerce Commission Account Number 3 Grading. Cost: $2352. Series I. Lines West. System. Other Subject Categories: Track Maintenance, Rip Rap