At ground zero you will be searching for a hidden tiny bison tube with the log in it. You will need a tweezers or needle nose pliers to grab the cache. Please do not leave travel bugs at this cache. Welcome to Sertoma Park, here there are a couple of shelters, playground equipment a nice Japanese pond and bathrooms.
I have been by a few times hoping to get a cookie from the workers here, but no luck. I am starting to think they don't really exist. Maybe if you sneak up you might get something. At the "cache" you will be searching for a bison tube with the log in it. Please do not leave travel bugs in the cache. This is a popular spot for people placing painted rocks for Facebook page:Grand Forks Rocks.
Va gur qbbe.