Here is a Exact detail Map of the Maumee River from above Grand Rapids to Lake Erie ~~ If you want to blow up/expand a certain section, put the cursor on the spot on the river & click ~ then reduced the scale at the topside of the map to what you desire from the present 1:2 kk down to 1:25 k to expand the section.
~ I have the center line on the Waterville Bridge ~
This map is based on gps coords & very accurate & I use them for locating all the time both on & off the ~~~~~
http://www.topozone.com/map.asp?z=17&n=4597603&e=273548&s=200&size=l&u=2

~ I have the center line on the Waterville Bridge ~
This map is based on gps coords & very accurate & I use them for locating all the time both on & off the ~~~~~
http://www.topozone.com/map.asp?z=17&n=4597603&e=273548&s=200&size=l&u=2