DAKTON.] 



NORTH AMERICAN GEOLOGY. 



589 



Louisiana — Continued. 



1870. Horseshoe lakes and thickness of 



alluvium in New Orleans re- 

 gion, Humphreys. 



1871. Age of rock salt of Petite Anse, 



Hilgard. 



Delta and mud lumps of Missis- 

 sippi River, Hilgard. 



Report on river and harbor im- 

 provements, Howell, C. W. 



On Mississippi hottom, Hilgard. 



Fossils of Vicksburg group, Hil- 

 gard. 



Upper delta plain of the Missis- 

 sippi, Hilgard. 



Second report of survey of 

 Louisiana, Lockett. 



History of Gulf of Mexico, Hil- 

 gard. 



Geologic history of Gulf of Mex- 

 ico, Hilgard. 



Second report of survey of 

 Louisiana, Hopkins. 



1872. Geology of the Southwest, Hil- 



gard. 



Review of Hopkins's report, 

 Dana, J. D. 



Geology of the Mississippi bot- 

 tom, Smith, E. A. 

 Third geological report, Louis- 

 iana, Hopkins, F. V. 



Formation of deltas, Tylor. 



1873. Survey of Red River raft region, 



Collins, H. C. 

 Report on Louisiana, Hilgard. 

 Sabine River, Leavenworth. 

 River and harbor improvements, 



Howell, C. "W. 



1874. Lignite beds and their under 



clays, Hilgard. 

 Alluvial basin of the Mississippi, 



Forshey. 

 Mines de soufre, Burthe. 

 Lignite from Louisiana, Hayes, 



S. D. 

 Distribution of soil ingredients, 



Loughridge. 

 Improvements in mouth of the 



Mississippi, Howell, C. W. 



1875. Bayou Teche, De Leon. 

 Survey of Atchafalaya River, 



Leavenworth. 

 River and harbor improvements, 

 Howell, CW. 



Louisiana — Continued. 



1875. Geologic chart of the United 



States, Bradley, F. H. 



1876. Denuding agencies and geologic 



deposition, Tylor, A. 

 Rain and rivers. Greenwood. 

 Mineral resources of Louisiana, 



Janes. 



1877. Report on river and harbor im- 



provements in Gulf region, 

 Howell, C. W. 



1878. Physics of Gulf of Mexico and 



the Mississippi, Forshey. 



Borings between Mississippi 

 River and Lake Borgne, Hil- 

 gard and Hopkins. 



Reconnaissance from Cairo to 

 New Orleans, Suter. 



Fourth report of survey, Lockett. 



Improvements in New Orleans 

 Harbor, Howell, C. W. 



1879. Survey of the Mississippi, Lock- 



wood. 

 Survey and borings at Lake 



Borgne outlet, Forshay. 

 North American Mesozoic and 



Cenozoio, Miller, S. A. 

 Loess of the Mississippi Valley, 



Hilgard. 

 Map of United States, Hitchcock, 



C. H. ; Hitchcock and Blake. 

 Macfarlane's Geological Railroad 



Guide, Hopkins, F. V. 



1880. Bayous Bceuf and Courtableau, 



Collins. 

 Report on Ouachita River, Mc- 



Ivin. 

 Report of operations near Natchez, 



Mclvin. 



1881. Survey of the Courtableau, Col- 



lins. 



Geology of lower Louisiana and 

 salt of Petite Anse, Hilgard. 



Alluvial basin of the Mississippi, 

 Forshay. 



Later Tertiary of Gulf of Mexico, 

 Hilgard. 



Geology of Florida, Smith, E. A. 



Borings in Mississippi Delta, Car- 

 penter, P. B. 



Bayou Macon, Burrowes. 

 •1882. Lake Pontohartrain, Collins. 



Blue clay of the Mississippi, Lit- 

 tle. 



