162 ANNALS NEW YORK ACADEMY OF SCIENCES 



141. Haktnagel, C. a.. Newland, D. H., aiid. See Newland, D. H., and Hart- 



nagel, C. A. (234). 



142. : N. Y. St. Mus. Bull. 123. 1908. 



143. Hayes. C. W. : Slisrlit Reference to Itockwood Formation and Clinton Ore 



of Red Mountain, Alabama. Ala. Geol. Surv. Bull. 4, p. 4;i 1802. 



144. : Geological Relations of the Iron Ores in the Gartersville District, 



Georgia. Am. Inst. Mng. Engrs. Trans.. Vol. XXX. p. 411. lOOO. 



145. . and Eckel. E. C. : Iron Ores of tire Gartersville District. Georgia. 



U. S. Geol. Surv. Bull. 21.3, pp. 2.3.3-242. 1903. 



146. : Iron Ores of tlie United States. U. S. Geol. Surv. Bull. 304, pp. 



84-90. 1909. 



147. -: Ringgold Folio, Georgia-Tennessee. Geol. Atlas of U. S.. U. S. 



Geol. Surv. Folio 2, pp. 2-3. 1804. 



148. : Kingston Folio, Tennessee. Geol. Atlas of U. S., U. S. Geol. Surv. 



Folio 4, p. 3. 1894, 



149. : Chattanooga Folio, Tennessee. Geol. Atlas of U. S., U. S. Geol. 



Sun\ Folio G. pp. 2-3. 1804. 



150. : Sewanee Folio, Tennessee. Geol. Atlas of U. S.. TJ. S. Geol. Surv. 



Folio 8, pp. 3-A. 1894. 



151. : Rome Folio. Georgia-Alabama. Geol. Atlas of U. S.. U. S. Geol. 



Surv. Folio 78. 1902. 



152. : Stevenson Folio, Georgia-Alabania-Tennessee. Geol. Atlas of 



U. S., U. S. Geol. Surv. Folio 19, p, 3. 189.5. 



153. : Cleveland Folio. Tennessee. Geol. Atlas of I-. S., T'. S. Geol. 



Surv. Folio 20, p. 4. 189.5. 



154. : Pikeville Folio, Tennessee, Geol. Atlas of U. S., II, S. Geol. Surv. 



Folio 21, p. 3, 1895, 



155. — : Gadsden Folio, Alabama. Geol. Atlas of U. S., U, S. Geol. Surv. 



Folio 35. p. 3. 1890. 



156. Head, Jeremiah : The Iron Industry of Birmingham and Bessemer, Ala- 



bama. Iron and Coal Tr. Rev. May, 1896. 



157. Hehnhacker, R., Vala, J,, and. See Vala, J. (334). 



158. Henning, Chas, L. : Die Erzlagerstatten der Vereinigten Staaten von 



Nordamerika u. s. w. Stuttgart, 1911, 



159. Higgins, E. : Stripping Clinton Iron Ore in New York State. Eng. and 



Mng, Jour.. Vol. LXXXVI. pp. 11.50-1152. 1908. 



160. : Iron Operations of the Birmingham District. Eng. and Mng. 



Jour., Vol. LXXXVI, pp. 104.3-1049. 1908. 



161. : Iron Operations in Northeastei-n Alabama. Eng. and Mng. Jour., 



Vol. LXXXVI. pp. 1083-1086. 1908. 



162. HoBAjtT, F. : Southern Iron Ores. Min. Ind., Vol. IV, pp. 301-392. 1895. 



163. : Review of the Iron Ore Industry in the United States. Min. Ind., 



Vol. XVI, pp. 612-615. 1907, 



164. : Iron and Steel. Min. Ind., Vol. XVIII, pp. 4.32-435. 1900. 



165. Hoeing, J. B. : Oil and Gas Sands of Kentucky. Ky. Geol. Surv. Bull. 1, 



p. 38. 1904. Mentions the Clinton Formation. 



166. Hofer, : Die Kohlenund EisenerzlagerstJitten Nordamerikas. Wien, 



pp. 250-251. 1878. 



167. HoLDEN. E. C. : The Mineral Industry of Wisconsin. Wis. Eng., pp. 158- 



173. 1913. 



