92 MEMOIRS NATIONAL ACADEMY OF SCIENCES. [Vol.xii. 



Robert, H. M. 



1893. Survey of the Tennessee River. House Ex. Doc. No. 252, 52 Cong., 2 sess., vol. 32, 



pp. 1-47. The best description of the river based upon an accurate survey. The 

 detailed maps are not published. Reprinted (without maps) Rep. Sec. War. 

 House Ex. Doc. No. 1, pt. 2, 53 Cong., 2 sess., vol. 5, pp. 2333-2375, No. 3201. 

 Roosevelt, T., and others. 



1902. Message of the President of the United States transmitting a report of the Secretary 



of Agriculture in relation to the forests, rivers, and mountains of the southern 



Appalachian Region. Washington. 

 Sanborn, W. G., and Tallinger, E. C. 



1881. Holston and Clinch Rivers. House Ex. Doc. No. 77, 46th Cong., 3d sess., vol. 28, 



pp. 1-27. Lists of shoals, distances, and falls on upper courses of Clinch and 



Holston Rivers. Cf. also Ann. Rep. Chief of Engineers for 1881, pp. 1878-1886. 

 Simpson, C. T. 



1900. On the evidence of the Unionidse regarding the former courses of the Tennessee 



and other southern rivers. Science, n. s., vol. 12, pp. 133-136. 

 Tight, W. G. 



1903. Drainage modifications in southeastern Ohio and adjacent parts of West Virginia 



and Kentucky. Prof. Paper, no. 13, U. S. Geol. Surv. 

 Vanderford, C. F. 



1897. The soils of Tennessee. BuU. Tenn. Agric. Exper. Stat., vol 10, pp. 1-139. Contains 



relief and geological map of Tennessee. 

 White, C. H. 



1904. The Appalachian River versus a tertiary Trans- Appalachian River in eastern Ten- 



nessee. Journ. Geol., vol. 12, pp. 34-39. 

 Willis, B. 



1887. Topography and structure in the Bays Mountains, Tennessee. School of Mines 



Quarterly, vol. 8, pp. 242-252. 

 1895. The Northern Appalachians. Nat. Geogr. Monographs, vol. 1, no. 6, pp. 169-202. 

 Wood worth, J. B. 



1894. The relation between baseleveling and organic evolution. Amer. Geol., vol. 14, 



pp. 209-235. 



