Here are maps to most of the fields. There are much better directions on Ian's page.

Allmendinger ParkCorner of Pauline and HutchinsMap
Buhr ParkNorth side of Packard,
just east of Packard and Eisenhower
Map
Burns ParkCorner of Wells and LincolnMap
Leslie ParkTucked into middle of Nowhere
See Ian's page for directions
Map
Mitchell Field Fuller Road between hospital and North CampusMap
Riverside ParkTucked in between Wall St and the Huron RiverMap
Southeast Area ParkIntersection of Ellsworth and PlattMap
Veteran's ParkIntersection of Jackson and Maple
Driveway on Maple, just north of intersection
Map