398 N. II. DARfON — CATALOG OF PHOTOGRAPHS 



397. View from knoll at mouth of Gray Copper gulch ; looking north down length 



of Ironton park, Colorado ; Saratoga mine buildings on the right (No. 

 481). 



398. From bench at 1 1,500 feet north of Full Moon gulch, Colorado ; looking down 



valley of Red creek; cliffs on San Juan tuff on the left (No. 481). 



399. Rock glacier of Silver basin, from talus slope on east side of basin. Shows 



relation of glacier to basin. Caribou mine, Colorado (No. 485). 



400. Potosi peak from Silver basin; looking north across Canyon creek (No. 488). 



Photographed by N. H. Barton 

 8 by 10 inches. Negatives in United States Geological Survey 



401. Dakota sandstone and Lakota sandstone through upper gateway to Perry 



park, south of Denver, Colorado ; looking east (No. 779). 



402. Vertical Red beds in Perry park, Colorado; looking south (No. 778). 



Photographed by W. H. Jackson, Detroit, Michigan 

 20 by 43 inches 



403. Pike's peak from the Garden of the Gods. Mounted, $12.00 ; not mounted 



$10.00 (No. 1008). 



Photographed by J. K. Hitlers 

 * 11 by 14 inches 



404. Garden of the Gods, Colorado (no negative). 



Photographed by I. C. Russell, 1888 

 6j? by 8J inches. Negatives in United States Geological Survey 



405. Triassic sandstone, Garden of the Gods, Colorado (No. 288). 



406. Triassic sandstone, Garden of the Gods, Colorado (No. 289). 



Photographed by N. H. Barton, 1898 



6£ by 8| inches. Negatives in United States Geological Survey 



/ 



407. Triassic conglomerate sandstone, Garden of the Gods, Colorado (No. 424). 



408. Cathedral spires, Garden of the Gods, Colorado (No. 430). 



Photographed by C. B. Walcott 

 6J by 8J inches. Negative in United States Geological Survey 



409. Contact of Silurian sandstone on pre-Paleozoic gneiss and schists ; looking 



north from below the spring west of the Harding sandstone quarry, north- 

 west of Canyon City, Colorado (No. 151). 



Photographed by I. C. Russell, 1888 

 €>h by 8i inches. Negative in United States Geological Survey 



410. Monoclinal ridge, Colorado City, Colorado ; Triassic and Jurassic (No. 291). 



