﻿INDEX. 
  

  

  159 
  

  

  Page. 
  

   Oil 
  companies, 
  list 
  of 
  119-120 
  

  

  number 
  of 
  124 
  

  

  Oil 
  fields, 
  detailed 
  descriptions 
  of 
  92-109 
  

  

  See 
  also 
  particular 
  fields. 
  

   Oil 
  wells, 
  character 
  of 
  123 
  

  

  drilling 
  of 
  120 
  

  

  geology 
  of 
  94-95 
  

  

  oil 
  of 
  95,97,99, 
  101, 
  102, 
  104, 
  123 
  

  

  yield 
  of. 
  9,96,97,99-104,107,109,120-121,123,124 
  

   Oil 
  zones, 
  character 
  of 
  73,93-102, 
  104 
  

  

  geologic 
  position 
  of 
  94, 
  106-107 
  

  

  Olivella 
  biplicata 
  Sowerby, 
  occurrence 
  of. 
  . 
  . 
  59 
  

  

  intorta 
  Carpenter, 
  occurrence 
  of 
  59 
  

  

  O'Neill, 
  Edmond, 
  analyses 
  by 
  117-118 
  

  

  on 
  Santa 
  Maria 
  oil 
  117 
  

  

  Opalia 
  anomala 
  Stearns, 
  occurrence 
  of 
  59 
  

  

  varicostata 
  Stearns, 
  occurrence 
  of. 
  .... 
  . 
  59 
  

  

  Orcutt, 
  fossils 
  near 
  •. 
  58-60 
  

  

  Orcutt, 
  W. 
  W., 
  work 
  of 
  87 
  

  

  Orogenic 
  movements, 
  occurrence 
  of 
  66-70 
  

  

  Ostreaeldridgei 
  Arnold, 
  figure 
  showing. 
  . 
  . 
  134.138 
  

  

  eldridgei 
  Arnold, 
  occurrence 
  of 
  32 
  

  

  idrisensis 
  Gabb, 
  figure 
  showing 
  130 
  

  

  occurrence 
  of 
  32 
  

  

  veatchii 
  Gabb, 
  figure 
  showing 
  148 
  

  

  occurrence 
  of 
  59 
  

  

  sp., 
  occurrence 
  of 
  32 
  

  

  Panomya 
  ampla 
  Dall, 
  occurrence 
  of 
  59 
  

  

  Panopea 
  generosa 
  Gould, 
  occurrence 
  of 
  59 
  

  

  Patinopecten 
  healeyi 
  Arnold, 
  figure 
  showing. 
  154 
  

  

  healeyi 
  Arnold, 
  occurrence 
  of 
  59 
  

  

  oweni 
  Arnold, 
  figure 
  showing 
  152 
  

  

  occurrence 
  of 
  59 
  

  

  Pecten 
  (Lyropecten) 
  bowersi 
  Arnold, 
  figure 
  

  

  showing 
  138 
  

  

  (Lyropecten) 
  bowersi 
  Arnold, 
  occur- 
  

   rence 
  of 
  32 
  

  

  (Plagioctenium) 
  cerrocensis 
  Gabb, 
  oc- 
  

   currence 
  of 
  59 
  

  

  (Lyropecten) 
  crassicardo 
  Conrad, 
  figure 
  

  

  showing 
  138 
  

  

  occurrence 
  of 
  32 
  

  

  (Patinopecten) 
  healeyi 
  Arnold, 
  figure 
  

  

  showing. 
  154 
  

  

  occurrence 
  of 
  59 
  

  

  (Pecten) 
  hemphilli 
  Dall, 
  figure 
  showing. 
  152 
  

  

  occurrence 
  of 
  59 
  

  

  (Chlamys) 
  lawsoni 
  Arnold, 
  figure 
  show- 
  

   ing 
  152 
  

  

  occurrence 
  of 
  59 
  

  

  (Amusium) 
  lompocensis 
  Arnold, 
  figure 
  

  

  showing 
  138 
  

  

  occurrence 
  of 
  32 
  

  

  (Lyropecten) 
  magnolia 
  Conrad, 
  figure 
  

  

  showing 
  134 
  

  

  occurrence 
  of 
  32 
  

  

  (Patinopecten) 
  oweni 
  Arnold, 
  figure 
  

  

  showing 
  152 
  

  

  occurrence 
  of 
  59 
  

  

  (Chlamys) 
  sespeensis 
  var. 
  hydei 
  Arnold, 
  

  

  figure 
  showing 
  136 
  

  

  occurrence 
  of 
  32 
  

  

  (Pecten) 
  stearnsii 
  Dall, 
  figure 
  showing. 
  152 
  

  

  occurrence 
  of 
  59 
  

  

  Page. 
  

   Pecten 
  vanvlecki 
  Arnold, 
  figure 
  showing 
  ... 
  136 
  

  

  occurrence 
  of 
  32 
  

  

  (Pecten) 
  wattsi 
  Arnold, 
  figure 
  showing. 
  152 
  

  

  occurrence 
  of 
  59 
  

  

  (Chlamys) 
  yneziana 
  Arnold, 
  figure 
  

  

  showing 
  126, 
  128 
  

  

  occurrence 
  of 
  32 
  

  

  Pectens, 
  plates 
  showing 
  152, 
  154 
  

  

  Pelecypoda, 
  plates 
  showing 
  130, 
  136, 
  138 
  

  

  Phacoides 
  acutilineatus 
  Conrad, 
  occurrence 
  

  

  of 
  47 
  

  

  annulatus 
  Reeve, 
  figure 
  showing 
  148 
  

  

  occurrence 
  of 
  59 
  

  

  cumulata 
  Gabb, 
  figure 
  showing 
  130 
  

  

  occurrence 
  of 
  32 
  

  

  intensus 
  Dall, 
  figure 
  showing 
  148 
  

  

  occurrence 
  of 
  59 
  

  

  nuttallii 
  Conrad 
  var. 
  antecedens 
  Ar- 
  

   nold, 
  figure 
  showing 
  ' 
  146 
  

  

  var. 
  antecedens 
  Arnold, 
  occurrence 
  

  

  of 
  59 
  

  

  (Miltha) 
  sp. 
  , 
  occurrence 
  of 
  32 
  

  

  Pholadidea 
  ovoidea 
  Conrad, 
  figure 
  showing. 
  146 
  

  

  ovoidea 
  Conrad, 
  occurrence 
  of 
  59 
  

  

  sp., 
  occurrence 
  of 
  59 
  

  

  Pinal-Fol.som-Santa 
  Maria 
  Oil 
  and 
  Gas- 
  

  

  Escolle 
  area, 
  description 
  of 
  98-99 
  

  

  Pinal-Fox-Hobbs 
  area, 
  description 
  of 
  96-97 
  

  

  Pinal 
  Oil 
  Co., 
  development 
  by 
  14 
  

  

  Pine 
  Canyon 
  anticline, 
  description 
  of 
  83 
  

  

  Pipe 
  lines, 
  location 
  of 
  121 
  

  

  Plagioctenium 
  cerrocensis 
  Gabb, 
  occurrence 
  

  

  of 
  59 
  

  

  Platyodon 
  cancellatus 
  Conrad 
  var., 
  occur- 
  

   rence 
  of 
  59 
  

  

  Pleistocene 
  deposits, 
  character 
  of 
  27 
  

  

  terraces 
  of. 
  See 
  Terraces. 
  

  

  Pleistocene 
  time, 
  history 
  in 
  70 
  

  

  Pleurotoma 
  (Borsonia) 
  sp., 
  occurrence 
  of 
  . 
  . 
  59 
  

  

  Pliocene 
  rocks, 
  character 
  of 
  27 
  

  

  fossils 
  in, 
  plates 
  showing 
  144-154 
  

  

  Pliocene 
  shells, 
  occurrence 
  of 
  13-14 
  

  

  Point 
  Sal 
  Ridge, 
  definition 
  of 
  16 
  

  

  geology 
  of 
  12-13, 
  65 
  

  

  Population, 
  number 
  of 
  15 
  

  

  Price 
  Canyon, 
  oil 
  in 
  107 
  

  

  Priene 
  oregonensis 
  Redfield 
  (Young), 
  figure 
  

  

  showing 
  144 
  

  

  oregonensis 
  Redfield 
  (Young), 
  occur- 
  

   rence 
  of 
  59 
  

  

  var. 
  angelensis 
  Arnold, 
  occurrence 
  

  

  of 
  59 
  

  

  Production, 
  amount 
  of 
  9, 
  96, 
  97, 
  

  

  99-104, 
  107, 
  109, 
  120-121 
  

  

  Prutzman, 
  P. 
  W., 
  analyses 
  by 
  115, 
  117 
  

  

  Purisima 
  formation, 
  correlation 
  of 
  27 
  

  

  Purisima 
  Hills, 
  asphalt 
  in 
  85 
  

  

  definition 
  of 
  16 
  

  

  description 
  of 
  21-22 
  

  

  diatomaceous 
  earth 
  in 
  38, 
  54-55 
  

  

  geology 
  in 
  56 
  

  

  oil 
  in 
  84-86,91 
  

  

  structure 
  of 
  84-85 
  

  

  Purpura 
  crispata 
  Chemnitz, 
  figure 
  showing. 
  146 
  

  

  crispata 
  Chemnitz, 
  occurrence 
  of 
  59 
  

  

  Putrefaction, 
  rate 
  of, 
  influence 
  of, 
  on 
  pro- 
  

   duction 
  of 
  oil 
  112 
  

  

  