Blast from the past: a visit to the Erie Canal, Lock 7
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These pictures were taken Sept 14, 2009, and show how a boat lock works. A lock is a system used for raising and lowering watercraft between stretches of water of different levels on river and canal waterways.
First, the boat goes into the upper lock, heading east.
The upper lock gates close behind it.
The water drops (note the waterfalls behind it, generating power)
The lower lock gates open.
The boat goes out through the gate.
and down the river.
Another boat comes in through the lower gate, heading in the other direction.
The lower gates close behind it.
The water rises
The gates open
and the boat heads west.
Are there locks in your area? This one has a great parking lot and some trails. You can boat watch all day if you like.
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