Quote Originally Posted by Hermod View Post
The Pere Marquette lines in the Thumb were originally built as 3'0" gauge lines by smaller companies and later absorbed in the PM.
Apparently all converted to std gauge by 1900, except [[Port Huron through Memphis to Almont) according to the following link [[with said route in green on map):

http://www.pmhistsoc.org/narrow.shtml

When I lived in the Thumb, PM was still operating as C&O. Years ago, my uncle got me a ride in the caboose. Wow, what a thrill for this country kid!!