| http://www.w3.org/ns/prov#value | - The dam's height of three feet plus the additional four feet of drop we picked up by running our flume that tar added up to the seven feet of fall, or head, that we needed for our wheel.The Woodings' flume is a combination of approximately 85 feet of four-inch aluminum pipe feeding into an additional 46 1/2 feet of wooden trough measuring six inches deep by six inches wide. (The aluminum pipe, wh
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