(1860s, IL-89-19) in German Valley, Stephenson County, IL. Church St. (CR20) W. 0.9 miles from jct with Rock City Rd. (CR10) in German Valley, S. on College St. 100' to the house on the W. side of the road at 4 College St. (10-19-02, N42° 12.906', W89° 29.490')