Deschutes/Columbia floats??

[Bait O' Eggs]

While driving down HWY 84 this weekend I see dozens of white styrofoam floats in the Columbia about a mile below the Deschutes on the Oregon side. They are about 12 to 16 inch cubes +/-. They were scattered around kind of like crab floats in the bay. It did not look like they were for a gill net string. I saw several more a few miles below the original bunch I saw just below the Deschutes. Does anybody know what these are??

[hen slayer]

eggs, you were right about them being used for gill nets. the tribal fishers use them for the ends of the nets to hold the anchor lines.