A few pictures and some history that came along with the craft. Pictures are in the attached zip file. Both overview and close up pictures are provided to assist in any advice or source materials you might recommend. The previous owner obtained the craft from the "Old Town Seconds Showroom" in 1970. The story given to him was the damaged craft was brought in for repair by the then owner in the 1967. The owners balked at the $300 repair price and refused to take delivery on the canoe. It set in the seconds showroom for three years until purchased by Bill Dengler, then a ranger at Arcadia National Park. The only other distinguishing feature was when he bought the craft it was painted "aluminum" (if you can imagine), a condition Ranger Dengler soon remedied. As stated earlier the only serial number I can find using the techniques suggested is 267 on the stern stem and _67 on the bow stem, however the numerals 17 can be seen a fare distance back near the ends of both stems , indicating the length.
As for the photographs, the heart shaped decks and covered gunnels indicate a Carleton as do the fore and aft thwarts. The hand thwart that should be just aft of the bow deck is absent but filled holes suggest its former presence. The seats were obvious replacements for earlier seats and the center thwart appears added like the seats during the repairs noted above. The diamond Old Town bolts fastening the seats and center thwart are placed through the gunnel covers while the fore and aft appear to have the bolt heads under the covers. The features seem to me consistent with the previous owners recollections.
Based on this my questions are as follows: Would Old Town have record of repair and/or resale of this craft? Can you direct me to a reference where the proper carriage bolts for the seats might be described?