468 X. II. DARTON CATALOG OF PHOTOGRAPHS 



495,496. Terraces of Tertiary lake-beds on Lemhi river near Salmon City, Idaho. 

 935-937. Dunes, Biggs, Oregon. 



1170. South bank of James river at Vinita, Virginia; flood plain in foreground. 



1171. James river and Cornwallis hill. 



P228. Columbia valley, Washington; terraces of Pleistocene age and high plateau 

 of Miocene basalt. 



1229. Columbia river, Washington, east of lake Chelan. 



1230. Gravel terraces of stream origin in delta of Chelan river at its junction with 



the Columbia, Washington. 



1232. Chelan falls, Columbia River, Washington; terrace 600 feet above the Co- 

 lumbia. 



1239. Lake Chelan, Washington, and outlet ; general view of the drift dam and 

 the site of Chelan. 



Sand Dunes 



623, 624. Cape Cod, Massachusetts. 



644. Near Sleeping Bear bluff, eastern shore of lake Michigan. 



645. South Manitou island, lake Michigan. 



686, 687. Typical sand hills, north of Camp Clarke, Nebraska. 

 935-939. Dunes, Biggs, Oregon. 



1231. East of lake Chelan, Washington. 



Schistosity, Cleavage, and Jointing 



(See also Columnar Structure) 



3. Near Kadiak, Alaska. 



95. Dark limestone, with schistosity and quartz, Gens de Larg river, Alaska. 

 165, 166. Royal Arches, Yosemite valley, California. 



176. Granite with forms of erosion, Conness Peak trail, Yosemite park, California. 

 180. Fractures in granite at base of Liberty cap, Yosemite park, California. 

 183. The Arches, Yosemite valley, California. 



188. Exfoliating granite east of Royal Arch lake, Yosemite valley, California. 

 189, 190. Exfoliating granite on slope northwest of Grouse lake, Yosemite valley, 



California. 

 219. Joints in granite, mount Lyell, California. 

 254. Cambrian quartzites showing vertical cleavage of the strata, Soldiers canyon, 



White Mountain range, Inyo county, California. 

 255-257. Lower Cambrian quartzites, showing vertical cleavage in massive layers 



and interbedded thin layers without cleavage, Soldiers canyon, White 



Mountain range, Inyo county, California. 

 270. Granite on hill on north side of Deep Spring valley, Inyo county, California. 

 272, 273. Cambrian limestone and sandstone, Waucobi canyon, Inyo county, 



California. 

 288. Old andesite (porphyritic) tuffs west of Salmon lakes, Sierra county, Cali- 

 fornia. 

 391. Table mountain, Golden, Colorado, showing unequal, horizontal tabular 



jointing in basalt wall. 

 393. Granite in Animas canyon, Colorado. 



