196 REPORT OF NATIONAL MUSEUM, 1904. 



CHAPTER V. 



Page. 

 The Era of State Surveys, Third decade, 1850-1859 429 



Generalities. New workers. Work of John Millington and B. L. C. 

 Wailes in Mississippi. Work of Ebenezer Emmons in North Carolina. 

 J. G. Norwood's work in Illinois. Second attempt at geological survey of' 

 Indiana. G. G. Shumard's work in region of the Red River of Louisiana. 

 Ideas of 0. P. Hubbard and Dana relative to subaerial erosion. John B. 

 Trask's geological survey of California. G. C. Swallow's geological survey 

 of Missouri. J. D. Whitney's Metallic Wealth of the United States; his 

 views relative to silver as a monetary standard. Whitney on the changes 

 in the structure and composition of mineral veins. Work of Lewis Har- 

 per and Eugene W. Hilgard in Mississippi. Work of Edward Daniels in 

 Wisconsin. J. G. Percival's geological survey of Wisconsin. D. D. 

 Owen's geological survey of Kentucky. Work of G. G. Shumard in con- 

 nection with Pope's expedition along the line of the thirty-second parallel. 

 Oscar M. Lieber's work in South Carolina; his views regarding mineral 

 veins. First edition of John W. Dawson's Acadian Geology. Dawson's 

 work in Nova Scotia. Jules Marcou's geological map of the United States. 

 Work of Jules Marcou, W. P. Blake, Thomas Antisell, James Schiel, and 

 J. S. Newberry in connection with the Pacific Railroad surveys. Sketch 

 of Thomas Antisell. Work of John Evans in Washington and Oregon. 

 Work of George Gibbs in Washington. G. C. Swallow's survey of the 

 southwest branch of the Pacific Railroad. J. M. Safford's work in 

 Tennessee. Richard (). Currey's Sketch of the Geology of Tennessee. 

 Ebenezer Emmons's American Geology. William Kitchell's geological 

 survey of New Jersey. W. H. Emory's Mexican Boundary Survey. 

 J. P. Lesley's Manual of Coal; his Iron Manufacturer's Guide. Edward 

 Hitchcock's Illustrations of Surface Geology; his Geology of the Globe. 

 J. D. Dana on the Plan of Development of North America. The finding 

 of Paradoxides. Views of Joseph Le Conte on coral growth. James 

 Hall's geological survey of Iowa. Controversy between Hall and Meek. 

 Hall's views regarding the treeless character of the prairies. Work of 

 J. D. Whitney in Iowa. Whitney's views regarding the origin of the 

 Potsdam sandstone. Edward Hitchcock's Geology of Vermont; his 

 views on metamorphism and the origin of the drift. Geological survey 

 of Wisconsin under James Hall, E. S. Carr, and Edward Daniels. Whit- 

 ney's work on the lead-bearing region of Wisconsin. Richard Owen's 

 Geology of the Globe. William E. Logan's proposed subdivisions of the 

 Laurentian. The Ives-Newberry expedition up the Colorado River. 

 J. S. Newberry's views regarding the Grand Canyon of the Colorado; his 

 work with the Macomb expedition. Sketch of Newberry. Work of 

 D. D. Owen and Richard Owen in Arkansas. E. W. Hilgard's geological 

 survey of Mississippi. The Kansas Permian controversy. B. F. Shu- 

 mard on the Permian of New Mexico. Meek and Hayden on the Triassic 

 in Kansas and Nebraska. B. F. Shumard's geological survey of Texas. 

 Safford on unconformability in Tennessee. Final reports of H. D. Rogers 

 on the geology of Pennsylvania. Amos H. Worthen's work in Illinois. 

 J. D. Whitney's views regarding the origin of the lead ores of the Missis- 

 sippi Valley. Leo Lesquereux's paleobotanical work in Illinois. Sketch 

 of Amos H. Worthen. Sketch of Leo Lesquereux. Work of Henry Y. 

 Hind in the Winnipeg country. James Hall's views on sedimentation 

 and mountain building. Work of Henry Engelmann in Utah. 



