142 
GEOLOGY 
1850 — Cross 5 0. — A Report in the form of a Journal, to the Qualermasler general , of the march of the regiment 
of mounted Riflemen to Oregon, from May 10 to October 5, 1849 ; 8". Washington. 
1851 — Simpson 5 J. H. — Report and Map of the route from Fort Smith, Arkansas, to Santa Fe, New Mexico; 
8 ®. Washington. '' 
1852 Stcllisl)lll*y ^ Howard — Exploration and Survey of the valley of the Great Salt Lake of Utah, including a 
reconnaissance of a new route through the Rocky Mountains. Appendix E. ; 
Geology and Paleontology , by James Hall; 8®. Washington. 
1853 — Leidy^ Joseph — The Ancient Fauna of Nebraska: or a description of remains of extinct Mammalia and 
Chelonia, from the Mauvaises Terres of Nebraska (Extract from Smithsonian 
Contributions to Knowledge, vol. VI,); 4®. Washington. 
1853 MnrCy^ R. B* — Exploration of the Red River of Louisiana, in the year 1852. Appendix D., Geology, 
by Ed. Hitchcock and Geo. G. Shumard. Appendix E., Paleontology , by B. 
F. Shumard. 8®. Washington. 
1853 — Sitgreaves^ L. — Report of an Ea^‘dition down the Zuni and Colorado rivers; 8®. Washington. 
1854 — Marcou, Jules — Sur la Geologie des Montagues Rocheuses , entre le Fort Smith (Arkansas) et Albuquerque 
(Nouveau Mexique). (Extract from : Bulletin de la Soc. Geol. de France, 2' serie, 
vol. XI.) 8®. Paris. 
1854 MarCOU^ Jules - Rhume d^une section geologique des Montagues Rocheuses d San Pedro, sur la cole de 
VOce'an Pacifique (Extract from: Bulletin de la Soc. Geol. de France, 2® serie, 
vol. XL); 8®. Paris. 
1854 - Bartlett , j. j. — Personal narrative of Explorations and Incidents in Texas, New Mexico, California, So- 
nora, and Chihuahua; 2 vol., 8”. New York. 
1855 — Pacific Railroad Expl. — Report of the Secretary of War on the several Pacific Railroad Explora- 
tions. Documents accompanying the report of the Secretary of War. V, 
Report of Explorations of a route near the 38t/i and 39//i parallels of latitude, 
from the mouth of the Kansas to Sevier river, in the Great Basin, by E. G. 
Beckwith; also: Report of Explorations on the line of the forty-first parallel of 
north latitude, by FL G. Beckwith (Appendix: Geological Report of the country 
explored under the 3Hth and 4l5t parallels of north latitude, in 1853 — 54, by 
Janies Schiel.). VI, Report of Explorations for a route near the thirly-fifh 
parallel of latitude, from the Mississippi river to the Pacific Ocean, by A. W. 
Whipple (Chapter 6 : Resume of a geological reconnaissance extending from Na- 
poleon, at the junction of the Arkansas with the Mississippi , to the Pueblo de los 
Angeles, in California, hy Jules Marcou.). VH , Report of Explorations of a 
route near the thirty-second parallel of latitude, from the Red river to the Rio 
Grande, by J. Pope (Appendix; chapter 13: Geological notes of a survey of the 
country comprised betiveen Preston, Red river, and El Paso, Rio Grande del 
Norte, by Jules Marcou.). 8®. Washington, 
1856 — Warrcil, G. K. — Explorations in the Dacota Country, in the year 1855. Appendix E., Geological note 
on section in ravine of I'Eau qui court river , by W. P. Blake ; Geological notes, 
etc., on Nebraska, by F. V. Hayden. 8®. Washington. 
1857 Meek ^ F. B., and HaydCll, F. V. — Descriptions of new species and genera of fossils, collected by Hayden 
in Nebraska Territory; with some remarks on the Tertiary and Cretaceous for- 
mations of the North-West and the parallelism of the latter with those of other 
portions of the United States and Territories (Extract from the Proc. of the Acad, 
of Nat. Sc. of Philadelphia , May 1857.) ; 8". Philadelphia. 
