Funding for this research was provided by:
Battle Creek Alliance
Article History
Received: 13 January 2017
Accepted: 27 March 2018
First Online: 11 April 2018
Compliance with ethical standards
:
: Jack Lewis received funding from the Battle Creek Alliance in 2015 for an unpublished analysis of these data. Lewis' updated analyses and composition of this article was not funded. Curtis Bradley contributed GIS analysis while employed by the Center for Biological Diversity (CBD) and Jon Rhodes received a small fee from CBD for his assistance.