Citations

Websites

  1. Earth Divided in Ten Zones of Equal Population, Frank Jacobs, bigthink.com, 10th April 2017.
  2. Colorado towns named after elements, K99 (Colorado’s New Country radio station), 21st November 2016.
  3. Driving time from Denver, Colorado [3507 x 2480], reddit.com, 14th November 2016.

Tweets

Advertisements