The topographic map is on the scale of 990 pixels/mile.
Official ODNR website:
Shallenberger State Nature Preserve.
The topographic map is adapted from the maps at the
Libre Map Project
and is licensed under a
Creative Commons License.
Directions to Shallenberger State Nature Preserve
From the Columbus area:
Take US 33 south past Carroll. At US 22, take
the exit and head east, towards Lancaster.
Shortly going after the bridge, turn left
onto Beck's Knob Road. The entrance to
the Preserve is shortly on your right.