Nellie 28th June 2019 @ 07:08 AM Prior to 1910 as that is when Gifford went back to Oregon. Yes, this was prior to any real structures being set up later. Due to such rushing water, my guess is that this is in the spring with the water being higher than generally is. Food for thought….1894 huge flood on the Columbia. Would it have inundated Celilo Falls ? My guess is if it didn’t it would have been fairly close to it.