Report copyright - U.S. Geological Survey Publications Warehouse · 1.5'-a.5t 4.5'-5.5', 7.5'-9.5' + 15.5'-i7.5', 3' ledge slitat It ba (10 6/2) uthro to baff potst, It ba (10 6/2) utbrs to (10 YR 7/4),
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