(David's Creek, 34', 1992, 13-94-a) across David's Creek
W. of Monmouth
, Warren County, IL. IL164 W. 1.3 miles from jct with US34 on the W. side of Monmouth to the bridge on the N. side of the road. (3-30-01, N40° 54.875', W90° 41.252')