Original work by Jim Irwin, December 2005. Map of Knowlton Township in Warren County, New Jersey.
<span class="int-own-work" lang="en">Own work</span> by <a href="https://en.wikipedia.org/wiki/User:JimIrwin" class="extiw" title="en:User:JimIrwin">JimIrwin</a>.
CC BY-SA 3.0
originally uploaded to the English language Wikipedia.