74 BIBLIOGRAPHY OF TENNESSEE GEOLOGY. 



Van Horn (F. B.) 



The phosphate deposits of the United States. 



U. S. Geol. Surv., Bull. No. 394. Papers on the Conservation of mineral 

 resources, pp. 161-162. 



Vodges (A. W.) 

 See Safford (J. M.) and Vodges (A. W.) 



W. 



Walcott (Charles D.) 



1. The Utica slate and related formations of the same geological horizon. 



Albany Inst., Trans., vol. 10, pp. 1-17, 1883. 



2. The Cambrian system in the United States and Canada. 



Abstract. Washington Phil. Soc., Bull., vol. 6, pp. 98-102, 1884. 

 Abstract, Science, vol. 2, pp. SOI, 902 (% p.), 1883. 



3. (Remarks on the thickness and identity of the Calciferous formation from 



Canada to Tennessee.) 



Geol. Soc. Am. Bull., vol. 1, pp. 512-513, 1890. 



In discussion of paper of E. Brainard and H. M. Seeley on "The Calcif- 

 erous formations in the Champlain Valley." 



4. The fauna of the Lower Cambrian or Olenellus zone. 



U. S. Geol. Surv., J. W. Powell, Director, 10th Report, pp. 509-760, plates 



43-98, Washington, 1890. 



Abstracts: Am. Jour, Sci., 3d ser., vol. 42, pp.345-346 (4-5 p.); Am. Geol., 



vol. 8, pp. 83-86. 



5. Description of new forms of upper Cambrian fossils. 



U. S. Nat. Mus. Proc., vol. 13, pp. 267-279, pi. xx-xxi, Washington, 1891. 



6. Notes on the Cambrian rocks of Virginia and the Southern Appalachians. 



Am. Jour. Sci., 3d ser., vol. xliv, pp. 53-57, 1892. 



Describes localities in the southern Appalachian region in which Cam- 

 brian fossils have been found and compares the strata with those at 

 different points in the northern United States and in Canada. 



7. Paleozoic intraformational conglomerates. 



Geo. Soc. Am., Bull., vol. V, p. 191-198, pis. 5-7, 1894. 



Abstract: Am. Nat., vol. XXVIII, p. 1023 (% p.), 1894. 



Gives a definition of the term intraformational conglomerate and describes 



localities in Canada, Vermont, New York, Pennsylvania, and Tennessee 



where they occur, and discusses their origin. 



Walker (J. S.) 

 The source of Nashville's water supply. 



Eng. Assn. of the South, Trans., vol. 15, pp. 189-194, 1904. 



Watson (Thomas Leonard). 



1. Lead and zinc deposits of the Virginia-Tennessee region. 



Am. Inst. Ming Eng., Trans., vol. 36, pp. 681-737, 29 figs., 1906. (Bi-Mo. 



Bull., No. 8, pp. 139-195, 29 figs., March, 1906.) 



Abstract: Mines and Minerals, vol. 27, pp. 17-19, 63-65, 3 figs., 1906. 

 Describes the general geology of the region, the distribution of the ore 

 deposits, and the alteration, mo'de of occurrence, and the origin of the 

 ores. Adds a bibliography. ; e 



