DAETON.] 



NORTH AMEEICAN GEOLOGY. 



79 



Arkansas — Continued. 

 1821. Travels into Arkansas Territory, 

 Nuttall. 

 Structure of valley of the Missis- 

 sippi, Nuttall. 



1823. Expedition from Pittsburg to the 



Rocky Mountains, Long. 

 Essay on salt. Van Rensselaer. 



1824. Essay on Tertiary of America, 



Finch. 

 1830. Remains of ferruginous sand for- 

 mation of United States, Mor- 

 ton. 



1835. Report on elevated country be- 



tween the Missouri and Red 

 rivers, Featherstonhaugh. 



1836. Review of report by Featherston- 



haugh, P. 



1839. Thermal springs of North Amer- 

 ica, Daubeny. 



1842. Report on Fourche Cove and 

 vicinity, Powell, W. B. 



1844. Excursion from Washington to 

 frontier of Mexico, Feather- 

 stonhaugh. 



1847. Delta and alluvial deposits of 



the Mississippi and other 

 points, Lyell, C. 



1848. Statistics of coal, Taylor, R. C. 

 1851. Arkansas minerals, Padon. 



Coal in Arkansas, Lawrence, B. 

 Region between Little Rook and 

 Hot Springs, Englemann. 



1853. Exploration in Red River region, 



Shumard, G. C. ; Marcy, R. B. 



ReconnaissaQce of Arkansas 

 River, Warder. 



Arkansas, geology of, Law- 

 rence, B. 



Das Mississippi Thai, Olshauser. 



G6ologie des Montagnes ro- 

 chenses, Marcou, J. 



Geologic map of United States, 

 etc., Marcou, J. 



1854. Geologic map of United States 



by Marcou, Am. Jour. Soi. 

 Explorations for railroad to the 

 Pacific, Whipple. 



1855. Coal fields of Arkansas, Howard, 



J. R. 

 Ueber die Geologie von Nord- 

 Amerika, Marcou, J. 



1856. Reconnaissance from the Missis- 



sippi to Los Angeles, Marcou, J. 



Arkansas — Continued. 



1856. Review of part of geologic map 



of the United States by Marcou, 



Blake, W. P. 

 Explorations for railroad to the 



Pacific, Whipple. 

 Geology of route to the Pacific, 



Marcou, J. ; Blake, W. P. 



1857. Mexican boundary survey, Em- 



ory, Parry. 

 Geology and paleontology of 

 Mexican boundary survey. 

 Hall, J. 



1858. Chemical report, survey of Ar- 



kansas, Elderhorst. 



Reconnaissance of part of Arkan- 

 sas, Owen, D. D. ; Cox, E. T. 



Geology of North America, Mar- 

 cou, J. 



Minerals and springs of Arkansas, 

 Owen, D. D. 



1860. Extent of coal in Arkansas and 



Texas, Shumard, G. G. 



Hydrologie du Mississippi, Thorn- 

 assy. 



Reconnaissance of part of Arkan- 

 sas, Owen, D. D. 



Analyses of soils, etc., Peter. 



Botany and paleontology of sur- 

 vey of Arkansas, Lesquereux. 



Survey of Fourche Cove, Les- 

 ley, J. 



C oal formations of North America, 



Lesquereux. 

 Reconnaissance of part of Arkan- 

 sas, Cox, E. T. 



1861. Physics and hydraulics of the 



Mississippi, Humphreys and 

 Abbott. 

 Fossil prints in lignites of Bran- 

 don, Vt., Lesquereux. 



1862. Cretaceous and Carboniferous, 



Texas, Marcou, J. 



1865. Sub-Carboniferous conglomerate 



in the far West, Lesquereux. 



1866. Quaternary of Mississippi, Hil- 



gard. 



1867. Hot Springs of Arkansas, DeBow. 



1869. The Mississippi Valley, Foster, 



J.W. 

 Gegenden jenseits des Mississippi 

 Flusses, Roessler. 



1870. Report on Arkansas River, Abert, 



S.J. 



