added railroad, logging railroads, places in Wisconsin
added railroad, logging railroads in Wisconsin
added places, railroads in Iowa using Bing, USGS Topo, USPS, Iowa Secretary of State for dates
added Cambria and Indiana Railroad segments, waterways
set arbitrary railroad start date to 1/1/1900
added logging railroads in Michigan using USGS 3DEP; old route of US 131 and M-57
added logging railroads in Michigan using USGS 3DEP
added logging railroads in Michigan using USGS 3DEP
added logging railroads in Michigan using USGS 3DEP
added logging railroads in Michigan using USGS 3DEP
added logging railroad spurs in Michigan using USGS 3DEP
added logging railroad spurs in Michigan using USGS 3DEP
added logging railroad spurs in Michigan using USGS 3DEP
extended logging railroad to log dump along river using USGS 3DEP
added logging railroad spurs in Michigan using USGS 3DEP
added logging railroad spurs in Michigan using USGS 3DEP
added logging railroad spurs using USGS 3DEP