Calvin was a station on the PM Paines to Edmore branch, 2.2 miles west of Paines in Saginaw County. It would be just west of South Miller Road in Thomas Township.
The railroad had a 25 car length passing track here, as well as a 2,720 foot spur, likely for logging.
Photo info: A PM track map from Calvin in thre 1950's.
The following sources are utilized in this website. [SOURCE-YEAR-MMDD-PG]: