Fig. 2. — The late Pleistocene Columbia submergence 



Upper limits of the submergence as shown on this map are 1,250 feet A.T. east 

 of the Cascade Range, 900 feet A.T. in the Columbia Gorge through this range, and 

 400 feet A.T. west of the range. 



N.W.-S.E. diagonal ruling indicates area of Lake Lewis. 



N.E.-S.W. diagonal ruling indicates area of Willamette Sound. 



1 Kelso, Wash. 



2 Manor, Wash. 



3 Vancouver, Wash. 



4 Portland, Ore. 



5 Oswego, Ore. 



6 Dilley, Ore. 



7 Canby, Ore. 



8 Willamette, Ore. 



9 Amity, Ore. 



10 Salem, Ore. 



11 Corvallis, Ore. 



12 Eugene, Ore. 



13 Camas, Wash. 



14 Van Horn, Ore. 



15 The Dalles, Ore. 



16 Arlington, Ore. 



17 Roosevelt, Wash. 



18 Mottinger, Wash. 



19 Walla Walla, W^sh. 



20 Wallula, Wash. 



21 Kennewick, Wash. 



22 Prosser, Wash. 



23 Mabton, Wash. 



24 Sunnyside, Wash. 



25 Granger, Wash. 



26 Toppenish, Wash. 



27 Yakima, Wash, 



28 Hanford, Wash. 



29 Ringgold, Wash. 



30 Priest Rapids, ■ Wash. 



31 Burke, Wash. 



32 Quincy, Wash. 



33 Winchester, Wash. 



34 Ephrata, Wash. 



35 Soap Lake, Wash. 



36 Adrian, Wash. 



