added railways end dates, approximate
connected up segments of Manistee River
added railways to Camp Grisdale, Simpson Lumber Company using USGS 3DEP
Connected up river segments, added creeks from USGS 3DEP and USGS topo
connected up isolated Flint River segment
connected up isolated Flint River segment
added railways using USGS 3DEP
Added Adandoned railway using USGS 3DEp
Added Adandoned railway using USGS 3DEp
Added Adandoned railway using USGS 3DEp
Added Adandoned railway using USGS 3DEp
Added Adandoned railway using USGS 3DEp
Added Adandoned railway using USGS 3DEp
added start/end date for logging railroads
Added Adandoned railway using USGS 3DEp
Added Munising Junction, MI from usgs GNIS