MN -Another Silly Game with Little Balls Traditional Cache

This is a field puzzle and it is not a challenge cache.  You are looking for a bison tube hidden in something else near Dinsmore Golf Course.   Do not attempt this cache from Route 9.  It is much easier to park in the lot. 

Golf.  Some would say it is a silly game where the players chase little balls around a course.  This cache also includes little balls.  You need to figure out what to do to get to the bison tube that contains the log.  Eleven is the magic number to replace the log the way you found it.