Hi Phil-- Old Town 182608 is a 16 foot Otca model canoe, finished during February and March of 1969. It has a keel and was painted LC Yellow (anyone know what LC stands for?), then shipped to Wilderness Outfitters in Grand Rapids, MI on May 6, 1969.
There is interesting information on the Otca model in past Forums discussions-- you may want to check them out by using the "search" function above and typing in "Otca".
The scan of this record is attached below-- click on it to get a larger image. This scan and several hundred thousand others were created with substantial grants from the Wooden Canoe Heritage Association (WCHA) and others. A description of the project to preserve these records is available at http://www.wcha.org/ot_records/
if you want more details. I hope that you will join or renew your membership to the WCHA so that services like this can continue. See http://www.wcha.org/wcha/
to learn more about the WCHA and http://www.wcha.org/join.php
It is also possible that you could have another number or manufacturer if this description don't match your canoe. Feel free to reply here if you have any other questions.