Eric,
Based on past experiencs, the critical areas are as follows (heading west
from Sparty's);
The swampy area between the two railroad tracks (about .6-.9 mi from
Sparty's).
The area right after the Aurelius Rd. overpass (just before Potter Park).
Under the railroad track about .4 mi from Pennsylvania Ave.
Under the Shiawasse St. Bridge.
Going east from Sparty's: Under the bridge on Kalamazoo St.
How about a 30k stepplechase?
Carter