(Pump Station, MI-81-138) S. of Rawsonville, Ypsilanti Township, Washtenaw County, MI. Rawsonville Rd. S. 2.55 miles from jct with I94 exit 187 in Rawsonville, W. on Martz Rd. 400’ to the bldg on the N. side of the road at 10941. (N42 10.917 W83 32.630) Photo by Mark Comstock 5-13-24.