INDEX 
157 
Page. 
Fernando formation, topography on. 25 
view of. 46 
Ficus mamillatus Gabb, figure showing_ 126 
mamillatus Gabb, occurrence of. 32 
Field work, period and extent of. 9 
Figueroa Creek, Fernando gravel on, view 
of. 46 
Folsom-Santa Maria Oil and Gas-Escolle- 
Pinal area, description of.98-99 
Foraminifera, occurrence of. 39-40 
oil from. 110 
Ford, H. C., on burning of shale. 48 
Fossils, occurrence and character of. 28, 
32-33,58-60,110-111 
plates showing. 126-154 
Fox-Hobbs-Pinal area, description of.96-97 
Franciscan formation, character of. 27 
description of. 27-28 
Fugler Point, asphalt at. 78 
fossils near. 57-60 
oil near. 79-80,91 
Fusus occidentalis Gabb, occurrence of. 32 
sp., occurrence of. 58 
G. 
Galerus inornatus Gabb, occurrence of. 58 
Gary, asphalt near. 78 
oil near. 91 
Gas, occurrence of. 95,96,98,104,106,118 
oil flows due to. 73-74 i 
Gasteropod sp., occurrence of. 32 ! 
Gasteropoda, plate showing. 144 
Gato, Canada del, oil in and near.89-90 
Gato Ridge anticline, oil on. 89-90,91 
structure of.88-89 
Geography of region, outline of. 15-16 
Geologic history, outline of. 66-71 
Geologic map of Santa Maria district... Pocket 
accuracy of. 9 
Geologic sections, plate showing. 74 
Geology, bibliography of. 10-14 
columnar section showing. 26 
description of.26-71 
previous investigation of. 10-14 
Glycymeris barbarensis Conrad, occurrence 
of. 58 
veatchii Gabb var. major Stanton, oc¬ 
currence of. 32 
Graciosa Ridge, asphalt on.88,118 
diatomaceous earth on. 38 
view of. 98 
fire in. 48,51 
geology on and near. 49,63 
Graciosa wells, fossils near.57-60 
view at. 80 
Graciosa-Western Union area, description 
of. 101,103 
Guadalupe quadrangle, part of region in- 15 
Gypsum, occurrence of. 37 
H. 
Hall-Hobbs-Rice ranch area, description of. 94-96 
Harris, geology near. 52 
Harris Canyon, fossils near. 57-60 
Hartnell anticline, relations of. 87 
Hartnell-Brookshire area,description of.. 99-101 
Page. 
Hartnell well No. 1, gas pressure in. 118 
saddle at, view of. 98 
yield on. 101 
Hill wells, fossils near.57-60 
yield of. 105 
| History, outline of. 14 
History, geologic, outline of.66-71 
Hobbs-Pinal-Fox area, description of.96-97 
Hobbs-Rice ranch-Hall area, description of. 94-96 
Horsetown formation, correlation of. 27 
Howard Canyon, fossils near.57-60 
oil near. 91 
Iluasna field, development in. 14,109 
structure in. 109 
Hunt, Sterry, on occurrence of oil. 71 
I. 
Igneous rocks, description of.64-66 
intrusion of.66,69 
J. 
Jurassic rocks, character of. 27 
description of.27-28 
K. 
Keeley, F. J., fossils determined by. 40 
on putrefaction of diatoms. 112 
Kennerlia sp., occurrence of. 58 
Knoxville formation, character of. 27 
description of. 28 
fossils of, plate showing. 128 
L. 
La Zaca Creek, asphalt near. 118 
oil and asphalt on. 86 
La Zaca Creek-Lisque Creek anticline, oil in. 91 
structure of.90-91 
Labrea Creek, asphalt on. 78 
Laguna Seca, Canada, fossils near.57-60 
Leda orcutti Arnold, figure showing. 146 
orcutti Arnold, occurrence of. 58 
taphria Dali, figure showing. 146 
occurrence of. 58 
Lithodesmium cornigerum Brun, figure 
showing. 142 
cornigerum Brun, occurrence of. 41 
Location of region. 15 
Lompoc, development near. 14 
diatomaceous earth near. 38 
geology near. 36 
oil near. 80 
structure near. 80 
Lompoc field, description of. 104-107 
geology of. 106 
oil in. 106-107 
structure of. 104-105 
Lompoc quadrangle, part of region in. 15 
Lompoc terrace, definition of. 16 
Los Alamos Valley, description of. 21 
geology in and near. 13,55,56 
Lospe, Mount, altitude of. 19 
geology of. 28 
Lucapina crenulata Sowerby, occurrence of. 58 
Lunatia lewisii Gould, figure showing. 144 
occurrence of. 58 
