The Minnesota Transfer Railway (reporting mark MTFR) was a short line railroad in the United States. It was incorporated on March 22, 1883.
https://github.com/davepinch/pinchy.cc/blob/master/content/topics/places/railway/minnesota-transfer-railway/wikipedia/en.wikipedia.org.md
The belt line ran 14 miles from the Northern Pacific and Great Northern tracks in Fridley, called Belt Line Junction, to the Minneapolis stock yards in New Brighton.