. >> reporter: the search on for jackson standdeffer and grandmother, louann meryl. >> this kind of incidentextremely rare. >> hiking the grand canyon with family and friend saturday when a family member says as the group was crossing this creek, four people including jackson's mother fell in. the 14-year-old and grandmother were swept away by fast moving water. the other two were rescued. >> the two people would be washed away in a creek crossing is something that is -- almost unheard of in our local memory. >> reporter: 14-year-old jackson we are told is a swimmer. and 62-year-old lou ann meryl. >> randy meryl had an idea. >> married to the ceo of popular hiking boot company merrell said to be experienced hiker who knows the area well. >> beth were reported to have food and water in their backpacks. >> on facebook, posting, writing, the outlook is not promising there is still a glimmer of hope. we will hold on to this hope until there is reason not to. authorities say that both hikers are equipped and have the knowledge to survive. this happened in an area of the grand canyon so remote, so