Crushed Stone, Gravel
The Katy Trail State Park is the nation's longest rail-trail projectnearly 238 miles of scenic trail built especially for walkers and cyclists and stretching from Clinton east to Machens, in St. Charles County. Equestrians are allowed to ...
From Southwest Iowa Nature Trails, Inc. website:
The Wabash Trace Nature Trail is a converted railroad right-of-way running over 60 miles through the scenic Southwest Iowa countryside from Council Bluffs to Blanchard on the Iowa/Missouri border. ...