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added railroad using USGS 3DEP
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fixed railroad start/end dates, added places, connected railroad in Southern MN, Northern IA using Bing, USGS Topo, Wikipedia
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extended and added railroad and places, in Southern MN and Northern Iowa using USGS Topo, Bing, Wikipedia for dates
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connected up railroad in MN using Bing imagery
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connected up railroad in MN, IA, added US highway route also, used USGS Topo, USGS 3DEP, and Wikipedia for dates
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connected up railroad in MN, fixed place start date, used USGS Topo, USGS 3DEP, and Wikipedia for dates
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added places, highway, connected up railroad in Nebraska, Iowa, South Dakota, Minnesota using USGS Topo, Bing imagery, Wikipedia for dates
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added places, highway, connected up railroad in Western Minnesota using USGS Topo, Bing imagery, Wikipedia for dates
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connected up railroad in MN, added places using USGS Topo, USGS 3DEP, and Wikipedia for dates
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connected up railroad in Northern MN, added operators, refined start/end dates
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fixed railroad anachronosisms, added operator/refined start/end dates
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added old highways, places, railroads in Iowa using USGS Topo, Wikipedia, Bing imagery
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added segments of Lincoln Highway in Iowa
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added city of Cedar Rapids, Iowa
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Connected up railroads in Minnesota using USGS Topo and added places too using Wikipedia for dates
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connected up railroad in MN and added places using Bing, USGS Topo, and Wikipedia for dates
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added places/connected up and added railroads in Minnesota and Iowa using USGS 3DEP, USGS Topo, Bing Maps Aerial and Wikipedia for dates
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extended and added railroad and places, in Southern MN and Northern Iowa using USGS Topo, Bing, Wikipedia for dates
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added/extended railroads and added places in Western MN and Eastern South Dakota using USGS Topo, Bing, Wikipedia
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Added and connected up railroads in Minnesota using USGS Topo, Bing, added places using Wikipedia for dates
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