When you arrive at the first coordinates take note of the sign on the bridge piling next to the trail. Send an email to firstname.lastname@example.org with the # of feet over flood stage the river was in 1993 as the subject line. If your answer is correct, you'll receive an immediate reply [24/7] with your next set of coordinates and further instructions. If you don't receive a reply you didn't send the correct answer as the "subject" of your email so you better try again.
This 3-part Multi is only about a mile walk in total. You'll finish a little quicker if you go by bike.
River Action has hidden a number of caches along the RiverWay for you to locate.
This cache is primed with a number of little prizes for many to claim so bring something small with you to leave in the cache for the next hunter.