U.S. Geological Survey Publications Warehouse · 2011-04-18 · 6inf 15 3500' 13 13 Holocene...

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Transcript of U.S. Geological Survey Publications Warehouse · 2011-04-18 · 6inf 15 3500' 13 13 Holocene...

Page 1: U.S. Geological Survey Publications Warehouse · 2011-04-18 · 6inf 15 3500' 13 13 Holocene erosion surface Kayak(?) Shale 17 _ 18 18 Siksikpuk Formation 16-17- 500' 16? 1000' 1500'