Uncaptioned map of the Miami and Erie Canal system in the state of Ohio in the United Staes. The map shows the approximate location of the main canal and all feeder/subsidiary canals (in red).
<a href="//commons.wikimedia.org/wiki/User:Tim1965" title="User:Tim1965">Tim1965</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>