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added, aligned railroads using USGS 3DEP
Closed
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added Lincoln Highway start/end dates
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added logging railroad in Michigan using USGS 3DEP
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added logging railroad in Michigan using USGS 3DEP
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added, aligned railroads using USGS 3DEP
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extended Volga Branch Railroad, added places, extended Turkey River, added Volga River, used USGS Topo, USGS 3DEP, Wikipedia, Bing imagery and other sources as cited
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extended railroad, added places, highway in Iowa using USGS 3DEP, Bing, USGS Topo, Wikipedia and other sources as cited
Closed
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added places, aligned railroad, adjusted arbitrary start/end dates using USGS Topo, USGS 3DEP, Wikipedia and other sources as cited
Closed
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added logging railroad in Michigan using USGS 3DEP
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added highways, places, railroads in Iowa using USGS Topo, Bing, Wikipedia, and other sources as cited
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added places, railroads in Iowa using USGS 3DEP, USGS Topo, Bing imagery, Wikipedia, other sources as cited
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added railroads, places in Iowa using USGS Topo, Bing, Wikipedia, other sources as cited
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added places, extended railroad in Iowa using USGS Topo, Bing, Wikipedia for dates
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extended US Route 59, added MN State Highway 79
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reduced anachronisms in arbitrary start/end dates
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added Wikidata to Courtland Township, MI chronology relation
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Created chronology relations for Courtland and Oakfield Townships, Michigan
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extended railroad, added Heart Prairie, WI, chronology relation for Elkhorn, WI
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added Tunnel City, Tomah, Oakdale Wisconsin using USGS Topo, USPS, State of WI for dates
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added places, highways in Wisconsin using USGS Topographic Maps, Wikipedia, other sources as specified
Closed