Map of the Colorado Senate following 2010 redistricting, no insets
Created with QGIS and census data from <a rel="nofollow" class="external free" href="https://www2.census.gov/geo/tiger/TIGER2020PL/LAYER/SLDU/2010/">https://www2.census.gov/geo/tiger/TIGER2020PL/LAYER/SLDU/2010/</a> (tl_2020_08_sldu10.zip)
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<span class="int-own-work" lang="en">Own work</span>