PAETON.l 



NOETH AMERICAN GEOLOGy. 



253 



Colorado— Continued. 



1888, Vertebrate fauna of P u e r c o 



epoch, Cope. 

 Coals, Ashburner, Newberry. 

 Coal field of Crested Butte, 



Lakes. 

 Iron resources of Colorado, Chau- 



venet. 

 Note on Aspen, Emmons, S. F. 

 Eruptive roolss from Custer 



County, Cross. 

 Fossil plants from Golden, Les- 



quereux. 

 Glaciers in the Rocky Mountains, 



Emmons, S. F. 

 lufusorial earth in Denver, 



Headden. 

 Mineralogical notes [corundum 



schists]. Smith, W. B. 

 Mountain upthrusts, Uinta, etc., 



White, C. A. 

 Oil fields of fremont County, 



Ihlseng. 

 Address, Van Ltiest. 

 Ore deposits of Ouray County, 



Kedzie. 

 Paleontologic notes, Boulder, 



Stanton. 

 Marble deposits, Newberry. 



1889. Age of Denver formation. Cope. 

 Report of Rocky Mountain divi- 

 sion, Emmons, S. F. 



Aspen Mountain, Brunton. 



Aspen ore deposits, Siver. 



Denver Tertiary, Cross. 



Geology and mines of Aspen, 

 Heinrich. 



Features about Denver, Eldridge. 



Iron resources, Chauvenet, R. 



Grouping of middle Cretaceous, 

 Eldridge, Ward, L. F. 



Ores of Red Mountain district, 

 Schwarz. 



Eruptions of Spanish Peaks re- 

 gion. Hills. 



Mesozoic of southern Colorado, 

 etc., Stevenson. 



Origin of ore deposits near Ouray, 

 Endlioh. 



New oil field, Newberry. 



Rocky Mountains afield for orig- 

 inal work. Hills. 



Tertiaries of the Huerfano Ri vcr 

 basin. Hills. 



Dinosauria of Denver beds. Can- 

 non. 



Colorado — Continued, 



1889. Volcanic craters, Van Diest. 

 Northwestern Colorado coal re- 

 gion, Hewitt. 



Hot Springs formations, Corn- 

 stock. 



Building stones, Merrill, G. P. 



Northwestern Colorado, White, 

 C.A. 



Report of Rooky Mountain divi- 

 sion. United States Geological 

 Survey, Emmons, S. F. 



Stratigraphic studies in Denver 

 basin, Eldridge. 



1890. Charcoal in Custer County, 



Charlton. 



Aspen district, Newberry. 



Colorado group, Stevenson. 



Eruptive rocks of Boulder Coun- 

 ty, Palmer. 



Eruptions of Spanish Peaks re- 

 gion. Hills. 



Extinct volcanoes. Lakes. 



Formations of eastern Colorado, 

 Cannon. 



Huerfano beds. Hills. 



Laramie group. Cope, Newberry, 

 Stevenson, Ward, L. F. 



Iron resources, Chauvenet, R. 



Movements in Rocky Mountains, 

 Emmons, S. F. 



Macfarlane's Railway Guide, Em- 

 mons, S. F. 



Plications of coal :neasures. Van 

 Diest. 



Pre-Cambrian of the Black Hills 

 of Dakota, Van Hise. 



Primary quartz in basalts. Id- 

 dings. 



Secondary minerals of amphi- 

 bole and pyroxene groups, 

 Cross. 



Structural features near Denver, 

 Eldridge. 



Warren's Geography, Brewer. 



Report of Rocky Mountain divi- 

 sion, Emmons, S. F. 



1891. Alunite and diaspore from the 



Rosita hills. Cross. 

 Aaphaltum, Stone. 

 Devonian and Carboniferous, 



correlation, Williams, H. S. 

 Cambrian of North America, 



Waloott, C. D. 

 Classification of mountain 



ranges, Upham. 



