natural pier bridge over the clark fork river, alberton, montana, context

access adventure air alberton arch base beams beautiful bridge canal channels clark coast connect context creation cross cut day divided engineering enjoying erosion explore feat fiat fishing flowing forest fork fresh god gorge handiwork island landmark massive metal montana mountain natural nature old outdoors outside panorama peaceful pier pine rapids reflection reservoir river rivet road rock rocks rugged snow span stream supports transport tree trees trellis truss trustle undergird vehicle viaduct warren water waterway ways whitewater wonder wonderful wood