Personal Flotation Devices (PFDs): A Canadian approved PFD is designed to keep you afloat in the water. PFDs were designed for use in recreational boating and are generally smaller, less bulky and more comfortable than lifejackets.
The Erie Canal, in New York state (shown below), was 360 mi (580 km) long, and connected New York with the Great Lakes via the Hudson River. Locks were built to overcome the 571-ft (174-m) difference between the level of the river and that of Lake Erie.
the erie canal The Erie Canal: Facilitating Travel TO Michigan Regardless of the prevailing views of Michiganâs land and climate, a more important factor is delaying any large-scale movement into Michigan in the immediate postwar years was the difficulty in reaching the territory.