added railroad in WI using USGS 3DEP
added railroad and places in IA using USGS Topo, Wikipedia, State of Iowa
added M-54 (predecessor of M-37) from Baldwin to White Cloud, MI
added sections of M-76 in Michigan using Wikipedia description and Bing imagery
added state highways in Michigan using Bing imagery, Wikipedia
connected up railroads using USGS Topo;USGS 3DEP, added places using USPS for dates
added logging railroad using USGS 3DEP
added logging railroad using USGS 3DEP
added logging railroad using USGS 3DEP
added logging railroads between Ogemaw Springs and Roscommon, MI off Mackinaw Branch
connected up railroads using USGS Topo;USGS 3DEP, added places using USPS for dates
added railroad and places in IA using USGS Topo, Wikipedia, State of Iowa
added logging railroads in Michigan using USGS 3DEP
added logging railroads in Michigan using USGS 3DEP, places too using USGS Topo and USPS for dates
added logging railroads in Michigan using USGS 3DEP, places too using USGS Topo and USPS for dates
adjusted arbitrary start/end dates of railroad, added Ames, and Kelley, IA
added places, railroads, in Iowa using USGS Topo, Wikipedia, USPS, Iowa Secretary of State for dates
added places in Mid-Michigan using USGS Topo, USPS