Cartridge Version History
1.2 (3/22/2016)
Clarified the question of the ornithologist.
1.3 (2/28/2017)
Expanded some hard-to-reach zone bounds.
1.1 (10/26/2015)
Additional answers to the Ornithologist's question, to compensate for change of info signs on location.
1 (4/2/2014)