Sources of Materials. . 21 



A third one of these elevated beaches may 

 be seen on the Yaquina coast with similar 

 recent shells and sea bed surrounding's, at 

 an elevation of eighty feet, finely supplied 

 with a rich variety of recent species of shells 

 and mixed with spruce cones evidently buried 

 with these shells and scarcely distinguishable 

 from the cones of living species along the 

 coast. This elevated beach at Yaquina merits 

 careful study. At the town of Newport, on 

 Yaquina bay, a fine example of these elevated 

 beaches may be seen with all the details of 

 its history plainly legible. The bluffs upon 

 which part of the town is built rise here to 

 the height of over a hundred feet above pres- 

 ent tide water, seventy or eighty feet of which 

 is marine sediment plainly due to a broader 

 and higher shore line of the bay of other days. 

 In the upper part of this sedimentary portion 

 of these beds of sand and mud may be found 

 imbedded marine shells, many of which are 

 scarcely distinguishable, except by the stain 

 of age, from the shells of the surrounding 

 ocean. On the Yaquina coast one may stand 



