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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 3 Ashland County, WI northeast, with the bilge on a bearing of 75 degrees magnetic, and the portside on a bearing of 65 degrees. The vessel went down still headed up into the northeast blow which sank her. The Pretoria was constructed with a single massive centerline keelson, without sisters or a rider. The keelson measures 20 inches sided and 17 inches molded at its forward end. The keelson is reinforced with vertical steel plates fastened to both sides for the majority of its length. The top of the keelson is protected by sections of iron or steel plating in areas that probably correspond with the hatchways. Plates in the hatchway area would have protected the keelson from unloading equipment and from the abrasion and damage of falling ore when loading (Desmond 1984 [1919] :92-95) . Unlike a traditional Great Lakes schooner (as well as many schooner-barges), the Pretoria carried no centerboard. The floors beneath the keelson are double-timbered in the extreme bow and stern, and triple-timbered throughout most of the hull. Floors measure 6 inches sided (with some variation, between %- and M-inch), and are molded 18 inches at the keelson and 15 inches at the turn of the bilge. Above the turn, the futtocks devolve into double-timbered frames, sided 6 inches (with between %- and %-inch variation), and are molded 11 inches midway up the hull, and 7 inches at the sheer. Floor room is 18 inches, with 4 to 5 inches of space; futtock room is 12 inches with 9% to 10% inches of space. Over the Pretoria's floors, four floor keelsons are fastened on both the port and starboard sides of the bilge. These floor keelsons measure 11% by 11% inches, and are spaced 24 inches in the bow, with widening but even spacing as the hull broadens amidships. The bilge is ceiled with two layers of cross-planked ceiling strakes. The upper strakes measure 14 inches wide by 1% inches thick, with the lower strakes measuring 9% inches wide by 1 inch thick. The ceiling is fastened with 5/16-inch square shank rosette-head spikes. Alongside the keelson, three limberboards are placed longitudinally on both the port and starboard sides. The boards measure 3 inches in thickness and 7, 10, and 7 inches in respective widths, inboard to outboard. The limberboards sit atop wooden spacers placed over the floors. The spacers measure 24 inches in length, 6 inches in width, and 12 inches in molded (vertical) measurement.