The following questions (1-10) are based on the Army Corps of Engineers Mississippi River Maps (Cairo to the Gulf) and the Light List.
AHP = Above Head of Passes LMR = Lower Mississippi River UMR = Upper Mississippi River OHR = Ohio River ACOE = Army Corps of Engineers
At 1707, on 23 May, you get underway from mile 234.2 (AHP) enroute to Louisville, KY. mile 612.6 (OHR). What is the length of the trip?