lake onodaga watershed based on <i>Lakes of New York State: Ecology of the Lakes of Western New York</i>, <i>Limnological and Engineering Analysis of a Polluted Urban Lake: Prelude to Environmental Management of Onondaga Lake, New York</i> and Google Maps
<a href="//commons.wikimedia.org/wiki/User:Kmhkmh" title="User:Kmhkmh">Kmhkmh</a>
CC BY 4.0
<span class="int-own-work" lang="en">Own work</span>