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U.S. Geological Survey Publications WarehouseDr àno tafrl , / Totem Q C) hingle T 60' pan 1000/13/ .11. 23 133 0001 acon 30' bin 13 2000' 320000m £. 4000 570 oo OPEN-FILE EXPLANATION

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Page 1: U.S. Geological Survey Publications WarehouseDr àno tafrl , / Totem Q C) hingle T 60' pan 1000/13/ .11. 23 133 0001 acon 30' bin 13 2000' 320000m £. 4000 570 oo OPEN-FILE EXPLANATION