The cache is located on a sculpture at Ken Nybergs workshop. Ken Nyberg creates unique metal sculptures. Many of them are in Vining, MN but several others are located around North Central Minnesota. Ken has been featured on many public interest shows over the years.
WCCO Finding Minnesota
https://youtu.be/Zcgin3BUccQ
Pioneer PBS
https://youtu.be/VnLfpoGr5Rg
Kens daughter Karen is an astronaut who has worked on the space station twice. While in the space station, Karen talked with the students in Henning where she was once a student. Ken has a sculpture in Nyberg Park honoring his daughter.
https://youtu.be/4uuju628wyw