Posted coordinates are bogus! There is no container in the middle of the river so no need to get wet.
This is a Bonus Cache for the Athletic Park Adventure Lab.
The final is at: N 38 02.ABC W 097 21.DEF
We gave a Difficulty of 2.5 because it is a field puzzle.
TOTT may be helpful in retrieving log from the container.
Log only so BYOP.
Please rehide as found.