GENERAL INDEX. 



Alkali lands 260 



Alluvium of Nebraska - 256 



Amphitheatre Mountain 70 



Analyses of coal 175, 176, 177 



Loess deposits 246 



Missouri River sediment 252 • 



soils of Nebraska T 258, 261 



Ancient lake-basins of the West „ 47 



ruins in Southwestern Colorado „ 369 



Andrew, Prof. E. B 279 



Animas Cation 486 



City 486 



Forks 229 



Park 219,476,486 



River 206,369 



fall of, from divide to lower end of Animas Park 446 



Antelope Park 199 



Anthracite coal r 67,176,177 



Creek 98,99,138,176 



Arastra Gulch 230,466 



Archaean rocks of Eagle River 106 



Grand River 107 



Gunnison River 107 



Arkausas marls 52 



River 47,48 



morainal deposits 47 



Ascent of Mount Sneffels 479 



Aspen Creek 66,69 



Aughey, Samuel, Ph. D., report on superficial deposits of Nebraska 243 



Avalanche Creek „ 62 



Aztec Springs 377 



ruins 378 



B. 



Bad lands of Nebraska 261 



Baker's Park 206,230,464 



rectangle 493 



Basalt. 163,198 



Basaltic areas 178 



Bear Creek 206,217,477 



Pass 477 



River group 144, 145, 154 



Bellevue Mountain 419 



Big Casino lode 2^6 



Bitter Creek series 145 



Black Butte 291 



Blue Creek 97 



River 85 



Bluff countrv 193 



Bradley, F. H 111,112 



Breccia 156 



trachytic 200 



Bridger group 140,149, 156 



Bristol Head 206,469 



497 



