While leveling across a river, the staves readings held at (R) and (S) from the instrument stationed at (P) and (Q) : Staff reading at R from P = 1.332m, Staff reading at S from P =1.016m Staff...

Extracted text: While leveling across a river, the staves readings held at (R) and (S) from the instrument stationed at (P) and (Q) : Staff reading at R from P = 1.332m, Staff reading at S from P =1.016m Staff reading at R from Q =1.614m, Staff reading at S from Q =1.278m (R) and (Q) were close to each other on one bank of the river with (S) and (P) similarly situated on the other bank. If the elevation of (S) is (10. 376m) calculate the elevation of (R).