About Revisions The Chisholm Engine Isle Royale, MI Max Depth: 131-140ft/40-43m Average Viz: 41-50ft/12-15m Entry Type: Boat Bottom Composition: Rock Aquatic Life: Might See Something Spring: Under 50°F/10°C Summer: Under 50°F/10°C Fall: Under 50°F/10°C Winter: Under 50°F/10°C 7/30/2015 11:03 AM LatitudeAdjustment 7/30/2015 7:39 AM dbeedle

The engine of the Chisholm. The engine rests upright on the bottom along with the shaft, prop and a portion of the hull. Look for the ornate engraving on the engine and the depth markers on the portion of the hull.