INDEX. 
161 
Page. 
Tejon formation, character of. 29 
correlation of. 27 
description of. 29-33 
fossils of. 31-32 
plates showing. 126,128,130 
Tellina bodegensis Hinds, occurrence of.... 60 
sp., occurrence of.32,60 
Tepusquet Creek, asphalt on. 78 
geology on.28,65 
oil near. 91 
Terebratalia kennedyi Dali, figure show¬ 
ing . 136 
occurrence of. 33 
occidentalis Dali, figure showing. 146 
occurrence of. 60 
Terraces, description of. 23-24,25,60-62 
origin of. 63 
Tertiary rocks, character of. 27 
Tertiary time, history in. 66-70 
Thalotia caffea Gabb, figure showing. 144 
occurrence of. 60 
Thracia trapezoides Conrad, occurrence of. 60 
Thyasira gouldii Philippi, occurrence of.... 60 
Topatopa formation, correlation of. 27 
Topography, description of. 16-26 
structure and, relations of.24-25 
Tresus nuttali Conrad, occurrence of. 60 
Tritonium sp., occurrence of. 60 
Trochita radians Lamarck, figure showing. 144 
radians Lamarck, occurrence of. 60 
sp., occurrence of. 60 
Trophonvaquerosensis Arnold, figure show¬ 
ing. 132 
vaquerosensis Arnold, occurrence of.... 33 
Turritella cooperi Carpenter, figure showing 144 
cooperi Carpenter, occurrence of. 60 
ineziana Conrad, figure showing. 134 
occurrence of. 33 
martinezensis Gabb var. lompocensis 
Arnold, figure showing. 128 
var. lompocensis Arnold, occurrence 
of. 32 
uvasana Conrad. 126,128 
occurrence of. 32 
variata Conrad, occurrence of. 33 
sp. occurrence of. 33 
U. Page. 
Unconformities, positions of. 27 
V. 
Vaqueros formation, character of.29,31 
correlation of. 27 
deposition of. 67 
description of.29-33 
fossils of.31-33 
plates showing/. 132-138 
Vegetation, description of. 26 
plates showing. 46,80 
Venericardia californica Dali, figure showing 148 
californica Dali, occurrence of. 60 
planicosta Lamarck, figure showing.... 128 
occurrence of. 32 
Volcanic ash, deposition of. 69 
occurrence of.30-31,37 
outcrop of, view of. 34 
' Volcanic eruptions, occurrence of. 68-69 
W. 
i Waldorf, fossils near. 57-60 
geology near. 54 
Water, artesian, presence of.72-73 
Wells, water in. 72-75,95-97,103 
See also Oil wells. 
Western Union anticline, description of... 87,103 
Western Union Oil Co., development by_ 14 
wells of, description of. 103-104 
fossils near_i. 57-60 
view at. 80- 
Western Union-Graciosa area, description 
of. 101-103 
White, I. C., on occurrence of gas.71-72 
Whitney, J. D., on geology of region. 11 
Wise & Denigan well, asphalt near. 85 
Z. 
Zaca Canyon, asphalt in. 78 
Zaca Creek, asphalt and oil on.85,86 
Zaca Lake, geology near. 27 
view near. 46 
