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Added Little Miami Bike Trail from Loveland to Middletown Junction; shifted Little Miami RR slightly to the east to reflect former railbed; added dates on southernmost section of Middletown & Cincinnati RR at Middletown Junction
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Connecticut counties are no longer official boundaries, having been replaced in some respects by COG planning regions; conflated Windham boundary w/ county lines
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Added DLT building & associated businesses
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Corrected spelling of LaSalle Parish per cited source
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Added source
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Updated Marquette, Green Lake county boundaries per 2011 change
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Renamed Shannon Co. to Oglala Lakota Co.
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Merged international boundary and Michigan boundary w/ county boundaries east of Lower Peninsula; realigned the boundary to USGS topos and TIGER
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Added EDTF dates to St. Clair Co. boundary relations
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Extended Menominee Co. into Green Bay
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Extended Iron, Ashland, Bayfield, Douglas county boundaries into Lake Superior
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Added labels to most recent Michigan boundary relation
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Extended Kenosha, Racine, Milwaukee, Ozaukee, Sheboygan, Manitowoc, Kewaunee, Door, Brown, Oconto, Marinette county boundaries into Lake Michigan and Green Bay
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Added boundary to chronology relation
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Extended Michigan state boundary into Lake Erie, Lake St. Clair, Lake Huron, Lake Michigan, Lake Superior
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Extended Wisconsin, Minnesota state boundaries into Lake Michigan, Lake Superior; closed a gap in Burnett–Polk county line
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Excluded Lake Erie from pre-1822 Pennsylvania boundary since the lakeward boundaries were indeterminate then
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Fixed gaps in Pennsylvania boundary relation after botched conflict resolution in changeset 108570
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Extended Illinois state boundary and Crawford, Clark, Pike, Putnam, Cook, McHenry, Lake county boundaries into Lake Michigan; corrected capitalization of “McHenry”
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Extended Indiana into Lake Michigan; included Gary Harbor in states, territories, counties