What order and class of leveling does this represent

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Similar to Problem 19.37, except the relative error is ±0.025 ft for benchmarks located 35 km apart.

Problem 19.37:

The relative error of the difference in elevation between two benchmarks directly connected in a level circuit and located 90 km apart is ±0.009 m. What order and class of leveling does this represent?

Reference no: EM131147106

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