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NPS Form 10-900-a (Rev. 8-86) Wisconsin Word Processing Format (Approved 3/87) United States Department of the Interior National Park Service National Register of Historic Places Continuation Sheet Schooner-barge PRETORIA Section 7 Page 6 Ashland County, WI measured approximately 7% by 7% inches where they joined the shelf. Airways or "listings" for ventilation, as prescribed by the builder's rules (Great Lakes Register 1900:155), are present in the form of 4-inch by 12-inch rectangular openings in the fourth strake of ceiling below the sheer, beneath the clamp and lower end of the hanging knees. These would have allowed air circulation and prevented dryrot in the frames. The former lower deck is represented by segments of shelf, waterway, and hanging knees placed between the former hatchways. The hanging knees measure 27 inches on their horizontal arm, and 41 inches in height (vertical arm) by 14% inches across the radius of the knee. Three lower deck knees were placed between each hatchway, on a 36-inch to 48-inch spacing. Two shelves are fastened over the knees, measuring 10% inches wide by 5 inches thick apiece (total shelf width is 21 inches) . The lower deck waterway over the shelf measures 5 inches thick by 12 inches in width. A series of 1%-inch diameter iron tie rods with turnbuckles ran transversely from the port to the starboard lower deck shelves, reinforcing the hull against lateral bulging. The turnbuckles measure 20 inches in length by 3 inches in width. The starboard side allows a view of the original exterior of the hull, including the exterior planking, chainplates, and several through-hull fittings. The forward end of this section terminates in even plank ends, which would have fitted into the starboard stem rabbet. Slight movement of the hull on the bottom has actually ground the wreck into the sandstone bedrock, creating large longitudinal scars in the stone at the forward end of the wreck. The deeply grooved imprints in the stone suggest that the ship is very slowly inching its way it to shore. Two hawse eyes or pipe outlets are present in the starboard bow. The uppermost of the two is located 4 feet below the sheerline, 11 feet aft of the bow, and measures 4% inches in diameter. The lower opening is located 8 feet 9 inches below the sheerline, 13 feet 6 inches aft of bow, is elliptical in shape, and measures 5% inches in vertical height. Around the midpoint of the starboard side (beginning approximately 15 0 feet aft of the bow) , there are a great number of sprung planks, indicating a stress point in the hull. It is possible that these planks broke and sprang when the