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Sep 28, 2010 · Slope. Slope is represented by a ratio expressed as the number 1, a colon, and a second number, e.g., 1:20. This means there is one inch of elevation in ... - read more

For every 3 feet of horizontal run, there is a vertical change of 1 foot of assent or desent. i.e.: if the bank is falling away from the top of the slope towards the ... - read more

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