BIBLIOGRAPHY OF TENNESSEE GEOLOGY. 33 



Hayes (C. Willard) Continued. 



20. A brief reconnoissance of the Tennessee phosphate fields. 



r. S. Geol. Surv., 20th Ann. Kept., pt. VI, (cont.), pp. 633-638, 1899. 

 Describes the occurrence and character of the phosphate deposits. 



21. The geological relations of the Tennessee brown phosphate. 



Abstract: Science, new ser., vol. XII, p. 1005, 1900. 



Briefly describes the character and mode of formation of the deposits. 



22. Origin and extent of the Tennessee white phosphates. 



U. S. Geol. Surv., Bull. No. 213, 418-423, 1903. 



Describes varieties of white phosphate, the origin and extent of the de- 

 posits, and possible extensions of the field. 



23. The Southern Appalachian coal field. 



U. S. S. Geol. Surv., 22d Ann. Kept., pt. 3, pp. 227-263, pis. XIII-XV, fig. 

 26, 1902. 



Describes extent, general geologic relations, structure and stratigraphy 

 of the field, the character and occurrence of the coal beds, the com- 

 position, properties and production of coal. 



24. Iron ores of the United States. 



U. S. Geol. Surv., Bull No. 394. Papers on conservation of Mineral Re- 

 sources, p. 88. 



25. Tennessee phosphates. 



Handbook of Tennessee, pp 25-28, Nashville, 1903. 



Hayes (C. Willard) and Campbell (M. R.). 

 Geomorphology of the southern Appalachians. 



Nat. Geog. Mag., vol. VI, pp. 63-126, pis. 4-6, 1894. 



Reviews the previous work in the region. Describes the several types of 

 the deformed Cretaceous peneplain, the deformation of the Cretaceous 

 and Tertiary peneplains, and the drainage development as affected by 

 dynamic movements. Includes a discussion of the sedimentary record. 



Hayes (C. Willard) and Ulrich (Edward O.). 



Columbia folio, Tennessee. 



U. S. Geol. Surv., Geol. Atlas of the U. S., folio No. 95, 1903. 



Describes general relations and topography, character and occurrence of 

 Ordovician, Silurian. Devonian, and Carboniferous strata, geologic struc- 

 ture and history and mineral resources, including the occurrence, char- 

 acter, and origin of th^ phosphates. Includes a correlation table of 

 Paleozoic formations and a generalized faunal chart for the western 

 side of the Middle Tennessee Basin. 



Haywood (John). 



(Geological features.) 



The natural and aboriginal history of Tennessee, Nashville, 1823. (Not 

 seen.) 



Head (Jeremiah). 

 The coal industry of the Southeastern States of North America. 



North of Eng. Inst. Mg. and Mech. Engrs., Trans., vol. XLVI, pp. 167-182, 

 3 figs., 1897. 



Describes the character and occurrence of coal in the southern Appa- 

 lachian region. 



Head (William R.) 



(Catalogue of) Paleozoic sponges of North America. 

 11 pp. 800, Chicago, 1895. 



