01 / 4 · Practical Engineering
Another topographic challenge faced by sewer engineers is getting across a creek or river.
topográfico
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— topográfico
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But I’ve got a few ways you can do your own topographic survey with fairly basic and inexpensive tools.
But most areas have at least some amount of topographic relief.
This allows for a portion of a line to dip below a depressed topographic feature like a river or creek and come back up on the other side.
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