pg 196: Geology of the Edwards Plateau and the Rio Grande Plain adjacent to Austin and San Antonio, Texas, with reference to the occurence of underground waters Publication 27281517.

Search this Pub. Contents Geology of the Edwards Plateau and the Rio Grande Plain adjacent to Austin and San Antonio, Texas, with reference to the occurence of underground waters CONTENTS ILLUSTRATIONS GEOLOGY OF THE EDWARDS PLATEAU AND 11,10 GRANDE PLAIN ADJACENT TO AUSTIN AND SAN ANTONIO, TEXAS. By ROBERT T. HILL and T. WAYLAND VAUGHAN. INTRODUCTION GEOGRAPHY OF THE REGION. RIO GRANDE PLAIN. BALCONES SCARP LINE. GENERAL PRINCIPLES OF ARTESIAN WATERS. GEOLOGY OF THE REGION.   Browse view entire publication   view all images from this publication

196 Geology of the region-Continued. Page. Igneous rocks ...256 Kinds of igneous rocks ...256 Mode of occurrence of the igneous rocks ...256 Arrangement of the strata ...257 The main system of dips ...257 Balcones fault zone ...258 Capacity of the various rock sheets for water ...260 Underground water of the region ...264 Water supply of Edwards Plateau ...264 Nonflowing wells ...265 Deep wells of the plateau summit ...265 Deep wells of the plateau monocline ...266 Surface wells of the canyon valleys ...266 Wells near Bee Caves, Travis County ...266 Wells of Southern Pacific Company in Pecos County ...266 Gravity springs of the canyons of the plateau ...267 Kickapoo water hole ...269 Black water hole ...269 Artesian wells of the canyons of the plateau ...270 Morris ranch well ...273 Water of Rio Grande Plain ...274 Nonflowing wells and gravity springs of Rio Grande Plain ...274 Waters of the Leona and kindred formations ...275 Water of the Rio Grande terraces below Del Rio ...276 Wells in the fry-pan deposits ...276 Water of the terrace formations of the Colorado River ...276 Water of the Onion Creek marl and similar deposits ...277 Surface wells and springs of the Cretaceous formations ...277 Artesian wells ...279 Austin wells ...279 TheManor well ...284 The San Marcos well ...287 San Antonio wells ...290 The Del Rio well ...299 Chemical qualities of the waters ...299 Fissure springs ...307 Probable identity of source of artesian and fissure-spring waters ...312 Source of the underground waters of Rio Grande Plain ...313 Availability and limitations of the underground waters ...316 Practical suggestions ...319