At McAlpine L & D, normal upper pool elevation is 420.0 feet MSL, equal to 12.0 feet on the upper gage. The vertical clearance at the Clark Memorial Highway bridge is 72.6 feet above normal pool. What is the clearance if the gauge reads 27.2 feet?
A
25.4 feet
B
57.4 feet
C
60.6 feet
D
72.6 feet
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Question 1 / 2066636ee928f7522a1c519baf
Question 1 of 2066636ee928f7522a1c519baf
At McAlpine L & D, normal upper pool elevation is 420.0 feet MSL, equal to 12.0 feet on the upper gage. The vertical clearance at the Clark Memorial Highway bridge is 72.6 feet above normal pool. What is the clearance if the gauge reads 27.2 feet?
At McAlpine L & D, normal upper pool elevation is 420.0 feet MSL, equal to 12.0 feet on the upper gage. The vertical clearance at the Clark Memorial Highway bridge is 72.6 feet above normal pool. What is the clearance if the gauge reads 27.2 feet?