204 



GEOLOGICAL SUEYEY OF THE TERRITORIES. 

 Catalogue of rocks — Continued. 



^243 

 249 

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 251 

 252 

 253 

 254 

 255 

 256 

 257 

 253 

 259 

 260 

 261 

 262 

 263 

 264 

 265 

 266 

 267 

 268 

 269 

 270 

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 274 

 375 

 276 

 277 

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 279 

 250 



"White sandstone, (Pliocene) 



Clay-slate, (siliceous) 



Coarse red sandstone 



Basalt 



Trachyte 



Trap-rock, with chalcedony 



Old hot-spring deposit 



"WTiite hrecciated volcanic rock 



Eed brecciated volcanic rock 



Hornblendic gneiss 



Granite 



Quartzite, (highly metamorphosed) 



Purplish tracfiyte 



Gray trachyte 



White sandstone 



Old hot-spring deposit 



Limestone 



Basalt 



Old hot-spring deposit, (yellow) 



Old hot-spring deposit, (white) 



Old hot-spring deposit, (red) 



Limestone 



Basalt 



White quartzite 



Bed quartzite 



Greenish quartzite 



Limestone , 



Yellowish sandstone 



Gray sandstone 



Yellow sandstone 



Bed sandstone 



White sandstone 



Sandstone 



Beaver Head Canon, Montana Territory. 



Do. 



Do. 



Do. 



Do. 



Do. 



Do. 



Do. 



Do. 

 Horse Plain Creek, Montana Territory. 



Do. . 

 Main Divide of Bocky Mountains. 

 Medicine Lodge Creek, Idaho Territory. 



Do. 



Do. 



Do. 



Do. 



Do. 

 Soda SDrings, Bear Elver, Utah Territory. 



Do. 



Do. 



Do. 



Do. 

 Back of Bennington, Utah Territory. 



Do. 

 Swan Creek, Utah Territory. 

 Xear Evanston, Utah Territory. 



Da. 



Do. 

 Between Evanston and Fort Bridger. 



Do. 



Do. 

 Fort Bridger. 



