This blog post from a Canadian environmental historian explores the discoveries that arise from mapping four U.S. states’ park systems on an interactive timeline. Even with material that is known, interesting patterns and juxtapositions emerge.
Visualizing a Park System: Creating an Interactive Timeline
![A screenshot of an interactive timeline concerning different parks systems.](https://i0.wp.com/openrivers.lib.umn.edu/wp-content/uploads/2016/03/timeline-capture-vii-e1457553561656.jpg?fit=1050%2C579&ssl=1)