(Rambo, 25', 1980, 22-58-C) across tributary of Russell Drain SW of Petersburg, Summerfield Township, Monroe County, MI. Rose Rd. S. 1.2 miles from jct with Deerfield Rd. in Petersburg, SW on Dargantz Rd. to the bridge. (N41 53.245 W83 43.615) Photo by Mark Comstock 2-13-96.