I like to walk. Walk along the rivers, streams. through the woods and fields, maybe just around the block. But there was one walk a few years ago I should not have taken. That was the walk around the beaver pond in Fairfield, Ohio,   
     I had visited the pond many times. Sometimes after a heavy rain the dam would be damaged but the beavers would quickly get to work repairing it. They turned a small stream into a large pond by building that dam.
     Well, back to that fateful walk. As I...
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