62 



CATALOGUE AND INDEX OF 



[BOLL. 127. 



Archean and Algonkian — Continued. 

 West op the Mississippi River (ex- 

 cepting Minnesota) — Continued. 



1875. Report on portions of Nevada, 



Utah, California, and Ari- 

 zona, Gilbert. 



Report of northwest New Mex- 

 ico, Cope. 



Geologic chart of the United 

 States, Bradley, F. H. 



The ores of iron, their distribu- 

 tion, Newton. 



Observations in southeast Cali- 

 fornia, Marcou, J. 



Exploration of the Colorado, 

 Powell, J. W. 



Whale lode of Park County, 

 Colo., Jernegan. 



Pueblo range, Blake. 



Lead in Missouri, Gage. 



Wheeler's zweite Expedition 

 nach Neu Mexiko und Colo- 

 rado, Loew. 



Report on region along forty- 

 ninth parallel to the Rocky 

 Mountains, Dawson, G. M. 



Report on Utah, Nevada, Arizo- 

 na, and New Mexico, Howell, 

 E.E. 



Geology of portions of Colorado 

 surveyed in 1873, Stevenson, 

 J.J. 



1876. Geology from La Vita Pass to 



head of the Pecos, Conkling. 

 Reports on portions of south- 



mn California, Marcou, J. 

 Geolopjy be^'weeu Leavenworth 



syid the SierraNevada, Engle- 



man. 

 Report on southeast California 



region, Loew. 

 Section between head waters of 



theMissouri and Yellowstone, 



Hayden. 

 Report of surveys for 1874, 



Hayden. 

 • Report on northwest portion of 



ElkRange,Colorado, Holmes, 



W.H. 

 Paleozoic subdivision on for- 

 tieth parallel. King, C. 

 Expedition from Santa Fe to 



the Colorado, Newberry. 

 Report of middle division of 



survey of Colorado, Peale. 



Arohean and Algonkian— Continued. 

 West of the Mississippi River (ex- 

 cepting Minnesota)— Continued. 



1876. Geologic chart of United States, 



Bradley, F. H. 



Cornwall iron mine and related 

 deposits. Hunt, T. S. 



Rocks from Black Hills, New- 

 ton. 



Second report of survey of 

 Texas, Buckley. 



Uinta Mountains, Powell. 



Microscopic petrography, sur- 

 vey of the fortieth parallel, 

 Zirkel. 



Report of San Juan division, 

 survey of Colorado, Endlich. 



Maps of parts of California, 

 Nevada, Arizona, Utah, New 

 Mexico, and Colorado, Gil- 

 bert, Marvine and Howell. 



1877. Descriptive geology, fortieth 



parallel survey, Hague and 

 Emmons. 



Results of surveys for 1875, 

 Hayden. 



Part of western Nevada and 

 eastern California, Conkling. 



Preliminary report of survey of 

 Territories, Hayden. 



Report of southeast division, 

 survey of Colorado, Endlich. 



Remarks on paleontology of 

 fortieth parallel survey. Hall 

 and Whitfield. 



Field work in Teton region, 

 St. John. 



Lithology of southern Colorado 

 and northern New Mexico, 

 Conkling. 



Atlantic district, Idaho, Clay- 

 ton. 



Report on Grand River region, 

 Peale. 



Southeast lead district, Mis- 

 souri, Broadhead. 



Map of parts of Arizona and 

 New Mexico, Gilbert, Howell 

 and Loew. 



Map of parts of Arizona, Mar- 

 cou, Gilbert and Marvine. 



Geology of eastern Pennsyl- 

 vania, Hunt, T. S. 



Foothills of Eocky Mountains, 

 35° 30' to 38°, Conkling. 



