Main Deck
The excavation exposed a large portion of the main deck. For ease
in discussion, the deck can be divided into three areas; the forward deck, the
aft deck and the deck above the engineering spaces.
During the first summer field season in 1992, 55 feet of the forward main deck
was exposed and mapped (Cantelas 1993). A short trench excavated in the 1993
season connected the two excavations at the forward cargo hatch. The forward
decking that extends aft from the bow is relatively intact until it reaches the
engineering spaces (Figure 5 and
6). Beyond 73.5 feet aft all planking and deck
beams are missing. Plank widths on the intact deck average 6 inches and maintain
a standard 2 1/4 inch thickness. They are fastened to the underlying deck beams
with 1/4 inch square spikes set in a diagonal pattern. The spikes are placed in
counter sunk holes 7/8 inch in diameter, 3/4 inch deep and capped with wooden
plugs.
The engineering hatch is an opening measuring 5 feet fore and aft and 6 feet
athwart ship. It is located 64.5 feet aft of the stem. It allowed the crew entry
to the machinery space below and was also used to load wood to fuel the boilers
when the vessel operated on the Great Lakes. The hatch coaming is badly worn
from loading wood despite a metal strap placed around the top edge for
protection. In Figure 6 the hatch is shown slightly off center due to an
unresolved recording error. During the Civil War coal became the primary fuel
for steam ships on the coast. A cast iron coal scuttle (with an interior
diameter of 1.3 feet) located near the hatch facilitated bunker loading.
Two deck beams are sistered together on the forward side of the hatch. This may
represent a repair or reinforcement. Beams forward and aft of the pair are still
spaced 18 inches apart, which is the typical spacing for this vessel. The
forward beam continues across the ship, supporting the forward hatch coaming,
while the aft beam is cut off at the hatch. The deck beam arrangement was not
observed on the port side to see if the sistered beams continued.
The second area of the main deck discussed is located aft of the engine spaces.
Scour caused by river current exposed decking near the aft cargo hold
excavation. A small trench excavated under the baseline connected the scoured
area to the larger excavation forward. This process revealed the rear edge of
the engineering space and the beginning of the aft deck. The edge is marked by
deck planking fastened to a deck beam 121 feet from the stem. The beam is broken
near the centerline and sags slightly. This edge is a major clue in determining
the position of the engine room inside the hull. A narrow 20 foot long section
of deck was examined along the baseline but no deck features were encountered.
The engineering spaces are located amidships, in the lower hull. This area was
planked over to accommodate freight and passengers on the main deck. Before
excavation, deck features related to the ship's propulsion were anticipated,
including the engineering hatch and A-frame trunk. Unfortunately, most of the
deck covering the engine spaces was demolished by channel clearing work in the
1880's. Although the hatch was located, very little of the A-frame trunk
remains.
During construction, the ship builder had to accommodate large machinery
components by placing an opening, or trunk, on the centerline of the ship. The
opening allowed the massive engine cylinder to pass through the deck and the
A-frame to rise above top of the ship. The archaeological data recovered in 1993
did not indicate the extent or dimensions of the trunk with the possible
exception of the truncated aft deck at 121 feet aft. This probably marks the
rear edge of the trunk. Future excavation along the edge and on the port side
will define the opening better.
Four hanging knees fixed to the starboard hull, from 79 to 86 feet aft of the
stem, mark the location of deck beams in front of the boiler. Aft of this point,
no more knees were found to support the deck. Whether or not the boilers were
covered by decking cannot be determined with available data.