Maintenance cross ties used during the test period, calendar years 1917 and 1918, ten fiscal years (1908-1917) and estimated renewals
Maintenance cross ties used during the test period, calendar years 1917 and 1918, ten fiscal years (1908-1917) and estimated renewals
Details
- OL Work ID
- OL33451139W
Subjects
RailroadsStatisticsMaintenance and repair