ILLUSTRATIONS. 
Page 
Plate I. Map of southern Oregon and northern California, showing the 
Klamath Mountains in relation to the Coast. Cascade, and 
Sierra Nevada ranges !i 
II. Sections illustrating stages in the northern Coast Range region 
since Eocene time: .1. Klamath stage; B, Bellspring stage; C, 
Sherwoi )d stage : D, Generalized section of coast and river valley . 
illustrating the records of the various stages from the Garber- 
ville t» » the marine-terrace stage, inclusive 10 
III. Even crest of Coast Range. Klamath peneplain, as seen from 
Roseburg. Oreg 12 
IY. Klamath peneplain on Iron Mountain, seen from southern end of 
Barklow Mountain. Curry County. Oreg II 
V. .1. Klamath peneplain 17 miles west of Waldo, on McGrew road 
(abandoned): B. Klamath penejriain on divide between Colusa 
and Lake counties. Cal. . seen from near Vernado _ _ . 16 
VI. Alder Springs (4.269 feet), looking north across Grindstone Creek . 
Glenn County. Cal 18 
VII. Klamath peneplain seen from Ocean View (6.700 feet), looking 
south 20 
VIII. .4, Sherwood peneplain, rising westward from Bald Hills, Shasta 
County. Cal.; B, Sherwood peneplain of Bald Hills. Shasta 
County, and Klamath peneplain of Yallo Bally Mountains. 
Tehama County. Cal 22 
IX. Fin Rock and Cape Blanco, Oregon '24 
X. A, Maddens mine, on elevated beach 5 miles east of Cape Blanco: 
B. Rock stack on coastal plain 5 miles south of Chetco River. 
Oregon 2(1 
XI. Plateau front and coastal plain south of Chetco. Curry County, 
Oreg 2s 
XII. Wildgrass Ridge, capped by gravel bed of the ancient Klamath 
River 52 
XIII. Earlier valley of Redwood Creek above Redwood House 54 
FlG. ! . Diagram illustrating the movements of the Klamath peneplain with 
reference to sea level 14 
2. Generalized profile of Coast Range and Klamath Mountains on the 
fortieth parallel 23 
3. Profile of marine terraces 12 miles north of Port Orford. Oreg. . . . . 26 
4. Section of beach bluff from Cape Blanco to mouth of Elk River. 
Curry Comity. Oreg 31 
5. Crescent City section at Battery Point 34 
6. Pebble Beach section 2 miles north of Crescent City, Cal 35 
7. Section showing relation of earlier valleys to Klamath peneplain 
and later valleys - - 40 
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