Publisher's Synopsis
This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1916 edition. Excerpt: ... mately north-south chain at the eastern edge of the Pacific Mountain division. 22a. The Northern Cascade Mountains are the northern section of the Sierra-Cascade Province, the summits of which are in general, not formed by recent volcanic rocks. 22b. The Middle Cascade Mountains are that portion of the Sierra-Cascade Province whose height is due in part to volcanic accumulation and in part to crustal uplift. 22c. The Southern Cascade Mountains are that portion of the Sierra-Cascade Province whose height is due essentially to accumulation of volcanic materials. 22d. The Sierra Nevada is the southernmost section of the Sierra-Cascade Mountains, whose elevation is due to uplift and not to volcanic accumulation. 23. The Pacific Border Province is that portion of the Pacific Mountain division which lies west of the Sierra-Cascade Mountains.' 23a. The Puget Trough is the intermontane lowland west of the Middle and Northern Cascade Mountains. 23b. The Olympic Mountains are the isolated group lying west of the north end of Puget Trough.' 23c. The Oregon Coast Range is the section of the Pacific Border Province west of the Puget Trough and consisting of Tertiary rocks. 23d. The Klamath Mountains are the section of the Pacific Border Province adjoining the Cascade Mountains on the west and consisting of relatively old and resistant rocks. 23e. The California Trough is the intermontane lowland west of the Sierra Nevada. 23f. The California, Coast Ranges are the mountains of the Pacific Border Province lying west of the California trough. 23g. The Los Angeles Ranges are the mountains of the Pacific Border Province which have an easterly trend and lie south of the Sierra Nevada. 24. The Lower Californian Province consists of the mountains and related...
