The shores of the Yellowstone River from Pompey's Pillar east to where the Yellowstone joins up with the Missouri are rich in agate deposits. These deposits are reportedly 20' deep in places and extend for many miles. The time to look for them is late fall, winter or early spring before the water rises.
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1 comment:
Gosh, I collected many of these when I was a kid fishing with my dad along rivers in western Montana, but I never knew what they were - agates! How about that...
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