AMD from the Dana Tunnel discharges from the portal of a drift mine opening that is adjacent to the boiler house of the PG Energy co-generation plant in the municipality of Archbald. The discharge flows for several hundred feet through a drainage ditch along the co-generation plant property and then discharges into a stone culvert which conveys it under the Lackawanna County Rail Authority's Scranton-Carbondale line. It reappears below the railroad grade discharging from a small pipe approximately 25 m off the east bank of the River and 500 m downstream of the end of Laurel Street. From its discharge point at the pipe, the AMD flows through a small rock bottom ditch for about 10 m before running into a culvert under the Lackawanna River Heritage Trail and into the River.