List of Figures

Figure 1. 1856 ambrotype of the Maple Leaf

Figure 2. Hypothetical profile of the Maple Leaf

Figure 3. Lake Ontario and major ports

Figure 4. Maple Leaf site location map

Figure 5. Site plan from the 1992 and 1993 field seasons

Figure 6. 1993 machinery space site plan

Figure 7. Schematic hull section with construction details

Figure 8. Draught of the 44-gun frigate President

Figure 9. Cross section of the starboard hull

Figure 10. Paddle shaft support on starboard guard

Figure 11. Draught of the steam vessel Commonwealth

Figure 12. Reconstructed boiler face

Figure 13. Glass water gauge

Figure 14. Gauge cock

Figure 15. Components of a marine walking beam engine

Figure 16. Components of the drive train

Figure 17. Two possible eccentric configurations

Figure 18. Conjectural eccentric configuration

Figure 19. Location of the aft cargo hold excavation

Figure 20. Main deck and the opening to the cargo hold

Figure 21. SHARC positioned over the aft hold entrance

Figure 22. Aft cargo hold excavation - Level 1

Figure 23. Aft cargo hold excavation - Level 2

Figure 24. Aft cargo hold excavation - Level 3

Figure 25. Aft cargo hold excavation - Level 4

Figure 26. Aft cargo hold excavation - Level 5

Figure 27. General fill proveniences

Figure 28. Aft cargo hold excavation showing all levels combined and wall profile locations

Figure 29. Aft cargo hold excavation - Profile A

Figure 30. Aft cargo hold excavation - Profile B

Figure 31. Aft cargo hold excavation - Profile C

Figure 32. Aft cargo hold excavation - Profile D

Figure 33. Preliminary ship reconstruction plan