Page 106 of 106
100
INDEX
Page.
Santo Tomas, reconnaissance between Uvalde, Carrizo Springs and 50-51
record of prospect drill near 41-42
Santo Tomas coal field, character of coal in 64-66 extent of 62-63
mines in 64
Santo Tomas mine, section at 44
Santo Tomas seam, section of 63
Schirlitz, P., cited on occurrence of dacitic rhyolite 95
Schott, A., -work of 67
Seibert, C, acknowledgments to 73
Shelby County, analysis of lignite from 66
Shoal Creek limestone. See Buda lime stone.
Stanton, T. W., aid by 11
fossils collected by 45
fossils determined by. 19-20,22,25,26,27-,29,30
notes on age of fossils by 82
quoted on fossils from Salado Creek 29
stat ement by 27
work of 73
Steeruwitz, w. H. yon, cited on coal in Trans-Pecos Texas 86
work of 74
Steiger, G., analysis by 92
son,J.J.,cited on Cerillos coalfield.. 11
TafF, J. A., work of 71
Taylor marls, character and thickness of ... 34
Tenne, C. A., cited on occurrence of tra chyte 95
Tertiary rocks, consideration of 37-55
1 v ... -. coal fields in New Mexico and 11-12
Thompson, P. W., information furnished by 58
Thompson, R., statement by 60
Page.
Trachyte,occurrence of 95
Tulio Creek, fossil found at 20
Turkey Creek, compilations of sections along 32-33
Upson, section near 20
Upson clays, occurrence and character of.. 20-21
variations in character of 34
Uvalde, reconnaissance between Carrizo Springs, Santo Tomas, and 50-51
Valverde flags. See Eagle Ford formation.
Van Horn Creek, course of 74
Vaughan, T. W., reference to 88
work of 72
Vaughan, T. W., and Hill, R. T., cited on Anacacho formation 31
cited on geology of Edwards Plateau and Rio Grande Plain 54
cited on Rio Grande Plain 13,14
cited on Taylor marls 34
work of 72
Vieja Mountains, coal in 86
fossils from 78-79
mountains composing 74
plates showing views of 76,78
.sections of 76-78,79-80
structure of 75
Volcanic outbursts, time of 83
Webb bluff, section along Rio Grande from Laredo to 46
section of 39
Well, artesian, at Eagle Pass, section of 25
White, C. A., formation named by 21
fossils collected by ' 45
reference to 35,39,82
work of 68,70
