added US Route 61 and 10 portions in MN
added logging railroad using USGS 3DEP, extended M-28 and added former routings
added logging railroad using USGS 3DEP
connected up railroads using Bing, USGS 3DEP, USGS Topo
added logging railroad using USGS 3DEP
added Sioux Falls, SD, extended Illinois Central railroad through MN to SD
connected up railroads using Bing, added places using USPS for dates
added highways in Michigan, logging railroads, using USGS 3DEP, Wikipedia, Bing
added highways in Michigan, logging railroads, using USGS 3DEP, Wikipedia, Bing
added railroad and places in IA using USGS Topo, Wikipedia, State of Iowa
added logging railroad using USGS 3DEP
fixed start/end dates of railroad
created relations for river area
Extended Skunk River, added North Skunk and South Skunk River
added places, railroads, in Iowa using USGS Topo, Wikipedia, USPS, Iowa Secretary of State for dates
added Little Turkey River, extended Turkey River, also places in Iowa using Bing, USGS Topo
added state highways in Montcalm County, MI using Bing imagery, Wikipedia