LEVELING. In reciprocal deep ravine the following sets of rod readings were taken: 11. RECIPROCAL leveling across a Instr Near A: BS on A=1.719 m, Average FS on B 2.578 m B: Average BS on A=1.335 m,...

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Extracted text: LEVELING. In reciprocal deep ravine the following sets of rod readings were taken: 11. RECIPROCAL leveling across a Instr Near A: BS on A=1.719 m, Average FS on B 2.578 m B: Average BS on A=1.335 m, FS on B 2.176 m and has a known ele- Point A is vation of 197.428 m. mine the elevation of point B. on one side of the ravine Point B is on the other side. Deter-