CONTENTS. XI 



Wise County — continued. 



Timber, water, and building material 517 



Coal 518 



Other minerals 519 



Parker County — 



Coal 519 



Palo Pinto County — 



Topography and drainage 521 



Geology 522 



Soil and timber 523 



Water and building material 524 



Natural gas » 525 



Coal 526 



Stephens County — 



Topography and drainage 534 



Geology 534 



Soil 535 



Timber and water , 536 



Coal 537 



Brown County — 



Topography and drainage 541 



Geology 542 



SoH '. . 542 



Timber, water, and building material . . . , 543 



Oil 544 



Coal ' 544 



Eastland County — 



Coal 544 



Coleman County — 



Topography and drainage 546 



Geology 546 



Soil, timber, and water 547 



Building material 548 



Oil and natural gas 548 



Coal 549 



Appendix — 



Hadrophyllum aplatus 552 



REPORT ON THE GEOLOGY AND MINERAL RESOURCES OF THE CENTRAL MINERAL 

 REGION OF TEXAS, BY THEO. B. COMSTOCK. 



Skeleton 555 



Part I. General review of geologic structure 556 



Archean group 559 



Burnetian system 559 



Eernandian system 560 



Eparchean group 561 



Texian (Algonkian) system 562 



Paleozoic group 563 



Cambrian system 564 



Silurian system 565 



Devonian system 568 



Carboniferous system 568 



