1460 (452). 
1461 (466). 
1462 (496). 
1463 (497). 
1464 (498). 
1465 (501c). 
1466 (504). 
1467 (506). 
1468 (507). 
1469 (511). 
1470 (515a). 
1471 (516). 
1472 (516c). 
PHOTOGRAPHS DONATED TO THE SOCIETY. AD 
Big Horn mountains, Wyoming. View of cliffs on Bald mountain 
road, east of Little Baldy. 
Big Horn mountains, Wyoming. Eroded granite near Bald mountain, 
at eastern summit, overlooking valley toward Dayton. 
View of end of ridge, illustrating faulting and thrust beds of Cambrian 
limestone and quartzitic sandstone, Waucobi canyon, Inyo range, 
California, about 3 miles above mouth of canyon. 
Nearer view of a portion of the strata shown by number 496. 
Western side of thrust plane seen in south wall of Devils gate, Inyo 
range, California. 
View near headwaters of north fork of Big Pine creek, Sierra Nevada 
mountains, Inyo county, California. 
Granite peak, rising from the south side of the divide, head of north 
fork of Big Pine creek, Sierra Nevada mountains, Inyo county, 
California. 
Broken granite peak rising from the north side of divide on north 
fork of Big Pine creek, Sierra Nevada mountains, Inyo county, Cali- 
fornia. 
View of upper Jake on north fork of Big Pine creek, Sierra Nevada 
mountains, Inyo county, California. 
Folded limestone and intruded quartzitic sandstones, south side of 
Devils gate, Waucobi canyon, Inyo range, California. 
Angel terrace, near Mammoth Hot Springs hotel, Yellowstone National 
park, Wyoming. 
View showing method of deposition of the siliceous deposits on slope 
of hot springs, summit of Angel terrace, Yellowstone National park, 
Wyoming. 
View showing method of deposition of the siliceous deposits on slope 
of hot springs, summit of Angel Terrace, Yellowstone National park, 
Wyoming. 
Forty views presented by the U. S. Geological Survey (N. H. Darton) 
Size, 6 by 8 inches. Figures in parentheses are original numbers 
1473 (222). 
1474 (245). 
1475 (251). 
1476 (254). 
1477 (256). 
1478 (264). 
Anticlinal in Lewistown limestone, South branch of Potomac river 
near Hopeville, West Virginia. 
Anticlinal and thrust fault in Tuscarora quartzite, Panther gap, Vir- 
ginia. Looking south. 
Anticlinal of Tuscarora quartzite, Panther gap, Virginia. Looking 
south. 
Dakota sandstone with cross-subbedding, Bennett, Nebraska. 
Potsdam sandstone on crystalline schists one mile north of Deadwood, 
South Dakota. 
Titanotherium beds, edge of Big Bad lands of South Dakota, Corral 
Draw, Washington county. 
Columbia formation on crystalline schists near N and Twenty-fourth 
streets, Washington, D. C. 
Columbia formation, basal beds, near N and Twenty-fourth streets 
N. W., Washington, D. C. 
