INDEX. 
263 
Page 
Pico oil field, wells in. 94-96,203 
Pine Mountain, elevation of. 2 
Pioneer well, data on. 100 
Pipe lines, length and distribution of. 135,198 
Pirie ranch, oil wells at. 39-40 
Piru Creek, canyon of, Fernando formation 
at. 23 
canyon of, oil wells in. 4,74-75 
structure in. 32 
See also Hopper-Piru fields. 
character of. 3 
fossils on. 24 
rocks on. 23 
structure east of. 67-68 
Piru Oil and Land Co., wells of.;. 74-75 
Piru River, view of. 2 
Pisania fortis Carpenter var. angulata Ar¬ 
nold. 25 ,252 
Placerita Canyon, oil wells in. 4,100-101,203 
oil wells in, location of, map showing... 100 
oil of, analysis of.214-215 
Placunanomia sp. 13,153 
Plagioctenium cerrosensis Gabb. 242 
circularis Sowerby. 21$ 
Platyodon cancellatus Conrad. 153 
Pleistocene deposits, distribution and de¬ 
scription of. 28-29, 
43,91,98,107,153-155,173,174,186 
Pleurotoma (Dolichotoma) keepi Arnold... 238 
sp. 152 
Pliocene fossils. 241,21$, 245,247,349,251,253 
Pliocene sandstone, view of. 188 
Pole Canyon oil field, geology and structure 
of.62-63 
location of. 62 
Priene oregonensis Redfield var. angelensis 
Arnold. 24,25,107, 252 
Propeamusium interradiatus Gabb. 224 
Proudfit and Parker, oil well of, oil of, analy¬ 
ses of. 210,211,213 
Prutzman, P. W., analyses by.214-215 
on California oils. 142 
Psephis lordi Carpenter. 27 
tantilla Gould. 26 
Pseudamusium peckhami Gabb. 234 
pedroanus Trask. 244 
Puente fault, location and description of. 108-109, 
111-113,116,119 
Puente field, geology of. 117-118 
location of. 117 
oil wells of. 119,133,203 
oil of, analyses of.210,212,213-217 
structure of. 118-119 
tankage in. 134 
Puente formation, character of. 103-105, 
145-146,148-149 
correlation of. 105 
distribution of. 103-105, 
112-113,115,117-118,121,125-131, 
144, 145-146, 148-150, 160, 173, 186 
fossils in. 104,146-148 
oil in. 110,114,119,132-133,149-150,156,187 
subdivisions of. 103 
Puente Hills, altitudes in. 103 
area in. 134 
Page. 
Puente Hills, correlations in. 143 
development of. 132-133 
gas in. 134 
geology of. 103-107,143 
map showing. 102 
location of. 102 
map of. no 
oil Of. 133-137,203-217 
analyses of. 209-217 
gravity of-;. 133,203 
prices of. 136 
production of. 136 
storage and transportation of_134-135 
utilization of. 135-136 
oil-bearing strata of. 109-110 
oil companies of, list of. 137 
oil wells of- 113-115,117,119,123-125,131-134 
location of, map showing. no 
yield of. 133-134 
See also 'particular wells. 
oil fields of, descriptions of. 110-132 
structure of. 108-109 
sections of, plate showing. 108 
topography of. 103 
Puente Oil Co., pipe line of. 135 
wells of. 119,132 
oil of, analyses of. 210,212,213 
Pumping plant, view of. 120 
Purpura edmondi Arnold. 117,226 
R. 
Ramona Canyon, oil well in. 68 
Ramona Oil Co., well of. 68,75 
Raphetto Hills, oil prospects in. 196 
rocks of. 152,196 
Reasoner syncline, description of. 67 
Red beds, distribution of. 8-10,47 
faults in. 38 
fossils in. 11 
gas in. 39 
occurrence of, in Sespe formation. 8-10 
oil wells in. 10,34,39, 48,55,59 
structure of, maps showing.55,57 
Vaqueros shale and, relations of. 11 
Refineries. See Oil refineries. 
Rice, W. P., oil wells of. 96 
Rice Canyon, oil wells in. 4,96 
Rictaxis punctocoelata Carpenter. 27 
Ridge Crest, oil well near. 99 
Road dressing, oil used for. 135-136 
Rocks. See Geologic formation. 
Russell Company, wells of. 54 
S. 
Salt Lake Company, oil wells of. 159 
_ Salt Lake field, brea in. 187 
development of. 159,195 
geology of. 186-193 
location of. 158,186 
oil sands of. 186-193 
section of, figure showing. 189 
oil wells in. 187-193,195 
oil of, analysis of. .210,211,213 
records of. 190-193 
section in, figure showing. 189 
