(Richland Grove or Frye Lake, 40', 1970, 13-66-a) across a creek SE of Sherrard, Richland Grove Township, Mercer County, IL. 1st St. (becomes CR2 & 175th St.) E. 1.0 miles from jct with 300th St. (CR5) on the W. side of Sherrard, S. on 310th St. (CR3100) 0.4 miles, SE on Frye Lake Dr. 0.4 miles to the bridge on the E. side of the road. (9-2-04, N41° 18.834', W90° 29.312')