Vlll CONTENTS. 



REPORTS OF GEOLOGISTS. 



Report of Mr. W. von Streeruwitz xcii 



Theo. B. Comstock xciv 



W. F. Cummins xcvii 



J. B. Walker cii 



W. Kennedy ciii 



J. H. Herndon cvi 



ACCOMPANYING PAPERS. 

 REPORTS ON THE IRON ORE DISTRICT OF EAST TEXAS. 



Part I. General Statement, by E. T. Bumble. 



Introduction 7 



Historical 8 



Topography 19 



Stratigraphy 22 



The ores and their mode of occurrence 28 



Part II Fuels and their Utilization. 



Chapter I. Charcoal manufacture in Texas, by John Birkinbine 33 



Chapter II. Lignites and their utilization, with special reference to the Texas brown 



coals, by Dr. Otto Lerch 38 



Part III Description of Counties. 



Chapter I. Cass County, by Wm. Kennedy — 



Preliminary notes. .... 65 



Topography 67 



Stratigraphy 70 



Iron ores 74 



Chapter II. Marion County, by Wm. Kennedy — 



Introductory 96 



Geography and topography 97 



Economic materials 100 



Chapter III. Harrison County, by Wm. Kennedy — 



The iron ore region 115 



Topography 117 



Stratigraphy . , 120 



Iron ores 128 



Clays 142 



Chapter IV. Gregg County, by Wm. Kennedy — 



Stratigraphy 161 



Iron ores 164 



Building stones, etc .' 171 



Chapter V. Morris, Upshur, Wood, Van Zandt, and Henderson counties, by Wm. Ken- 

 nedy 173 



Morris County 175 



Upshur County 182 



Wood County 184 



Van Zandt County ... 186 



Henderson County 186 



