DABTON.] 



NORTH AMERICAN GEOLOGY. 



65 



Arcbean and Algonkian — ^ContiBued. 

 Wbst of the Mississippi Rivbr (ex- 

 cepting Minnesota) — Continned. 



1887. Butt«, Mont., Emmons, S. F. 

 Map of t]ie United States, 



Hitchcock, C. H. 

 Condition of knowledge of 



Texas, HiU, R. T. 

 Boulder County, Colo., Van 



Diest. 

 Eagle County, Colo., Olcott. 

 Leadville region, Colorado, Ihl- 



seng, Blow. 

 Phoenix mine, Arizona, Rick- 



etts, P. de P. 

 Texture of massive rooks, 



Becker, 6. F. 



1888. Arohean geology, Missouri, 



Haworth. 



Well in Pawnee County, Nebr., 

 Russell, F. W. 



Quicksilver deposits, Becker, 

 G. F. 



Black Hills, Crosby, Carpenter. 



R^ort of geologist of Wyo- 

 ming, Ri^ketts. 



Mountain upthrusts. White, 

 C. A. 



Archean of Texas, Harrod. 



Aspen, Colo., Brunton, Em- 

 mons, S. F. ; Siver. 



Crested Butte, Colo., Lakes. 



Colorado ore deposits, Lakes. 



Iron resources of Colorado, 

 Chauvenet. 



Ouray County, Colo., Kedzie. 



West central Arkansas, Com- 

 stock. 



Transoontiaental railroads, 

 Lang. 



Mineralogic notes, Colorado, 

 Smith, W. B. 



Report of mineralogist of Cal- 

 ifornia, Irelan, Goodyear. 



1889. Northwestern Colorado region, 



Whit;e, C. A. 

 Report of Montana division, 



Peale. 

 Report for western Texas, 



Streeruwitz. 

 South central Texas, Jermy. 

 Country about Denver, Colo., 



Eldridge. 

 Pike Goui^y, Ark., Branner. 

 Copper Basin, Arizona, Blake. 



Bull. 127 5 



Archean and Algonkian — Continued. 

 Wkst of the Mississippi River (ex- 

 cepting Minnesota) — Continued. 



1889. Reymert lode, Arizona, Blau- 



velt. 



1890. Aspen district, Colorado, New- 



berry. 

 Pre-Cambrian of the Black 



Hills, Van Hise. 

 Areas of continental progress 



in North America, Dana. 

 Tellowstone Park, Iddings. 

 Crystalline rocks of Missouri, 



Haworth. 

 Building stones in Missouri, 



Ladd. 

 Iron ores of the United States, 



Hunt, T. S. 

 Indian Territory and Red 



River, HiU. 

 Movements in Rocky Moun- 

 tains, Emmoms. 

 Central mineral region of 



Texas, Comatock. 

 Trans-Pecos, Tex., Streeruwitz. 

 Review of Texas geology, 



Dumble. 

 Difiiplaoements in the Grand 



Canyon, Walcott. 

 Warren's Geography, Brewer. 

 Macfarlaue's Railway Guide, 



Eldridge, Emmons, Upham, 



Broadhead, Chamberlin, 



Cooper, Dawson, G. M. ; 



Emmons, Hague, Pumpelly, 



Winchell, N. H. 

 Report of California division, 



Becker, G. F. 

 Report of Rocky Mountain 



division, Emmons, S. F. 



1891. Central mineral region, Com- 



stock. 



Report of State geologist of 

 Texas, Dumble. 



Features of the 'Rocky Moun- 

 tains, Hills. 



Perry Park, Colo., Cannon. 



Tin in central Texas, Comstock. 



Notes on geology of the South- 

 west, Hill, R. T. 



Central basin of Texas, Curtice. 



Alunite and diaspore from Col- 

 orado, Cross. 



Vein phenomena, Boulder 

 County, Colo., Parish. 



