﻿Rate 
  of 
  advance 
  of 
  the 
  head 
  Growth 
  of 
  vegetation 
  on 
  the 
  

  

  of 
  the 
  raft 
  162 
  the 
  surface 
  of 
  the 
  raft. 
  . 
  . 
  . 
  164 
  

  

  Formatio7i 
  of 
  lakes 
  163 
  

  

  Early 
  Attempts 
  at 
  Removing 
  The 
  Raft 
  

  

  Period 
  : 
  i82p-i8jj 
  164 
  Period 
  : 
  1839-18 
  ji 
  165 
  

  

  Shreve's 
  work: 
  /8jj-i8j8 
  .165 
  

  

  Final 
  Removal 
  of 
  The 
  Raft 
  

  

  IVoodrUjfs 
  work: 
  18 
  j2- 
  Present 
  Work 
  18^3-1899. 
  .16"] 
  

  

  1873 
  . 
  . 
  166 
  

  

  Effects 
  of 
  The 
  Raft 
  

  

  Changes 
  Due 
  to 
  The 
  Formation 
  of 
  The 
  Raft 
  

  

  Conditions 
  of 
  7ipper 
  Caddo 
  Origi7iof 
  Black 
  bayou 
  swamp. 
  i6g 
  

  

  bottoms 
  before 
  the 
  formation 
  Formation 
  of 
  Silver 
  lake 
  and 
  

  

  of 
  the 
  raft 
  167 
  Postoti's 
  lake 
  169 
  

  

  For?natio7i 
  of 
  Cross, 
  Caddo 
  Outlet 
  bayous 
  169 
  

  

  and 
  Ferry 
  lakes 
  168 
  Sedi77ientation 
  170 
  

  

  Changes 
  Due 
  to 
  The 
  Removal 
  of 
  The 
  Raft 
  

  

  Deepening 
  of 
  the 
  river 
  chan- 
  Drai7iage 
  of 
  the 
  lakes 
  172 
  

  

  7iel 
  •..171 
  Cross 
  bayou 
  discharge 
  173 
  

  

  Changes 
  Resulting 
  From 
  A 
  Combination 
  of 
  Causes 
  

  

  Reversal 
  of 
  d7'ainage 
  systems. 
  1 
  73 
  Formatio7i 
  of 
  irreg 
  21 
  la 
  r 
  

  

  Formation 
  of 
  delta 
  at 
  foot 
  of 
  ridges 
  174 
  

  

  Cross 
  lake 
  174 
  

  

  Geology 
  of 
  The 
  Bottoms 
  

   Formations 
  Represented 
  

  

  Rece7it 
  beds 
  175 
  Age 
  of 
  beds 
  176 
  

  

  Older 
  beds 
  175 
  Shells 
  from 
  the 
  fro7it 
  land. 
  . 
  iy6 
  

  

  Soils 
  

  

  Varieties 
  177 
  Origi7i 
  178 
  

  

  Peculiarities 
  a7id 
  distribution. 
  177 
  

  

  Water 
  Supply 
  

  

  Sources 
  of 
  water 
  179 
  Well 
  section 
  Lottis 
  landi7ig 
  

  

  Ge7ieral 
  sectio7i 
  of 
  Red 
  river 
  Robson 
  P. 
  O 
  180 
  

  

  wells 
  below 
  Shreveport 
  . 
  ... 
  179 
  

  

  