Rod F. from St. Charles, MO on 6/6/2012 8:25:09 PM:
I visited the Black Walnut yesterday and rode to Machens and back. It seemed to be more than 4.2 miles roundtrip. Sure enough, the mile marker at Black Walnut was 30; making the distance to Machens 3.1 miles and the roundtrip 6.2. Please correct the mileage chart. Thanks.