Saginaw - Michigan Central - the railroad had a small roundhouse just east of S.B. Junction (on the former JL&S line). Confirmed on old maps c.1910's.
Saginaw - Pere Marquette Saginaw Yard - Roundhouse and 100' electric three-bearing turntable.
The following sources are utilized in this website. [SOURCE-YEAR-MMDD-PG]:
