added abandoned logging railroad, start and end dates
continued Little Manistee River to connect with Manistee River
added town of Manistee, Michigan
added logging railroad segments, start and end dates
extended Munising Railway and added logging spurs using USGS 3DEP
added segments of logging railroads in Newaygo County, MI with approximate start/end dates
added Manistique Railway from USGS 3DEP
added Manistique & lake superior railway, some of Manistique Railway from USGS 3DEP
Extended Duluth South Shore and Atlantic railway, added spurs
Extended Duluth South Shore and Atlantic railway, added spurs
Extended Duluth South Shore and Atlantic railway, added spurs
Added M-123 and railroad segments in Michigan's Upper Peninsula
added islands in St. Mary's river to relation as inner role
added islands in St. Mary's river to relation as inner role
added islands in St. Mary's river to relation as inner role
added islands in St. Mary's river to relation as inner role
added islands in St. Mary's river to relation as inner role