DABTOIf.] 



NORTH AMERICAN GEOLOGY. 



61 



Archean and Algonkian — Continued. 

 West of the Mississippi Ri\er (ex- 

 cepting Minnesota) — Continued. 



1872. Map of sources of Snake River; 



etc., Hayden and Bradley. 

 Map of Montana and Wyoming, 

 Hayden and Feale. 



1873. Sixth report on survey of Mon- 



tana, Idaho, Wyoming, and 



Utah, Hayden. 

 Notes on Pilot Knob and vicini- 

 ty, Missouri, Pumpelly. 

 Reconnaissance along Union 



Pacific Railroad, Bannister. 

 Report of Snake River division, 



Bradley, F. H. 

 Topography of Great Basin, 



Blake, James. 

 Mines and minerals of Colorado, 



Frazer, P. 

 Sketch of Missouri, and map. 



Swallow. 

 Erforschnng des Nordwestthei- 



les von Texas, Loew and 



Roessler. 

 Bowlders north of Yosemite, 



Tenney. 

 Report on Montana, Idaho, 



Wyoming, and Utah, Feale. 

 Structure of country north of 



Colorado Canyon, Powell, 



J. W. 

 Geologic map of United States, 



Hitchcock, C. H. ; Hitchcock 



and Blake. 

 Ancient glaciers of the Sierras, 



Le Conte. 

 Iron ores of Missouri, Schmidt. 

 1874. Report of survey of Missouri, 



Broadhead. 

 Leadmines, southeast Missouri, 



Gage. 

 Wheeler's Expedition nach Neu 



Mexiko und Arizona, Loew. 

 Researches in Arizona and Ne- 

 vada, Gilbert. 

 Part of eastern Texas, Buckley. 

 Gold Hill miuing district, Mar- 

 vine. 

 Exploration of the Colorado, 



Powell, J. W. 

 Geology of western Texas, Jen- 



ney, Newberry. 

 Analyses of novacnlite iiom 



Hot Springs, Ark., Wait. 



Arcbean and AlgonMan — Contioned. 

 AVest of the Mississippi River (ex- 

 cepting Minnesota) — Continued. 

 1874. Serpentine of Coaat and Cas- 

 cade ranges, Newberry. 

 Mountain sculpture in the 



Sierra Nevada, Cair. 

 Report on Middle Park, Colo., 



Marvine. 

 Reconnaissance in Ute country, 



Prout, Hawn, F. ; Hawn, L. 

 Western Texas near thirty- 

 second parallel, Jenney. 

 Notes on Bristol and Eagle dis- 

 tricts, Nevada, HoweU. E. E. 

 The great American desert, 



Poole. 

 Gold Hill mining region. Mar- 

 vine. 

 Report on San Luis division, 



Colorado, Endlich. 

 Report on South Park district, 



Colorado, Peale. 

 Iron mountains and mine, La- 



motte. Mo., Frazer. 

 Report of survey of Colerado, 



1873, Hayden. 

 Iron ores of southeast Missouri, 



Moore, P. N. 

 Report of survey of Missouri, 



Broadhead. 

 Notes OD Madison County, Mo., 

 Norwood. 

 1875. Resources of Texas, Buckley. 

 Report on portions of Colorado 



and New Mexico, Loew. 

 Surface features of front range 

 of Rocky Mountains, Hay- 

 den. 

 High sierra south of Mount 



Whitney, Goodyear, W. A. 

 Mines and geology of San Juan 



County, Colo., Endlich. 

 Northwestern Wyoming, Corn- 

 stock, T. B. 

 Report on portions of New 

 Mexico and Arizona surveyed , 

 in 1873, Gilbert. 

 Report from St. George, Utah, 

 to Gila River, Arizona, Mar- 

 vine. 

 New feature in Comstock lode, 



Becker. 

 Reconnaissance in Black Hills, 

 Winchell, N. H. 



