﻿2o8 
  

  

  Geological 
  Survey 
  of 
  Louisiana 
  

  

  [Sect. 
  

  

  U. 
  S. 
  E. 
  Bench 
  Marks 
  and 
  Permanent 
  Reference 
  Points 
  Shown 
  

   ON 
  Soil 
  Map 
  of 
  Upper 
  Red 
  River 
  Valley. 
  

  

  (The 
  elevations 
  here 
  given 
  are 
  taken 
  from 
  the 
  report 
  of 
  Capt. 
  J. 
  H. 
  Willard 
  

   for 
  1893, 
  An. 
  Rept. 
  Chief 
  of 
  Eng, 
  for 
  1893, 
  Appendix 
  V. 
  The 
  eleva- 
  

   tions 
  have 
  been 
  reduced 
  to 
  mean 
  Gulf 
  level 
  and 
  are 
  the 
  elevations 
  of 
  

   the 
  boss 
  of 
  the 
  pipe 
  cap 
  over 
  the 
  bench 
  mark. 
  ) 
  

  

  Albany 
  Point 
  

  

  Henderson's 
  Mills 
  

  

  Mooringsport 
  

  

  Jeter 
  Landing 
  

  

  Gilmer's 
  Landing, 
  near 
  Dr. 
  Vance's 
  residence. 
  

  

  Between 
  Cowhide 
  and 
  Horseshoe 
  bayous 
  

  

  Uni 
  Plantation 
  near 
  Irving's 
  bluff 
  road 
  

  

  Corner 
  place 
  on 
  west 
  side 
  of 
  road 
  running 
  south 
  

  

  On 
  back 
  levee 
  north 
  end 
  of 
  Soda 
  Fount 
  Plan- 
  

   tation 
  

  

  James 
  Eric 
  place 
  

  

  S. 
  W. 
  corner 
  Gold 
  Point 
  plantation 
  

  

  Levee, 
  Pandora 
  plantation 
  

  

  Back 
  levee 
  between 
  South 
  Side 
  and 
  Cuba 
  plan- 
  

   tations 
  

  

  Cuba 
  plantation 
  between 
  Twelve 
  Mile 
  bayou 
  

   and 
  the 
  river 
  

  

  Herndon's 
  landing 
  

  

  Blankton's 
  bluffs, 
  500 
  feet 
  north 
  of 
  Louisiana- 
  

   Arkansas 
  line 
  

  

  West 
  bank, 
  90 
  feet 
  south 
  of 
  Bargetown 
  slough. 
  

  

  East 
  bank, 
  head 
  of 
  Boom 
  bend 
  

  

  East 
  bank, 
  south 
  side 
  of 
  Alban's 
  canal 
  No. 
  i 
  

   450 
  feet 
  from 
  the 
  river 
  

  

  East 
  bank, 
  just 
  below 
  Poston's 
  bayou 
  

  

  East 
  bank, 
  between 
  Red 
  river 
  and 
  Dutch 
  

   John's 
  lake 
  

  

  Top 
  of 
  Coushatta 
  bluff 
  

  

  Back 
  levee 
  between 
  Peru 
  plantation 
  and 
  Doo- 
  

   ley's 
  bayou 
  

  

  Back 
  levee, 
  Lake 
  Home 
  plantation 
  

  

  Hurricane 
  bluffs, 
  upper 
  end 
  

  

  Top 
  Hurricane 
  bluffs 
  

  

  Vance's 
  plantation, 
  near 
  wind-mill 
  

  

  North 
  side 
  Benoit's 
  bayou 
  

  

  West 
  bank, 
  just 
  above 
  Barr's 
  ferry 
  

  

  Herndon 
  plantation 
  

  

  Bossier 
  City, 
  yard 
  of 
  Mrs. 
  D. 
  C. 
  Caine 
  

  

  Shreveport, 
  postoflfice 
  yard 
  

  

  Feet 
  

  

  226.0 
  

  

  251-5 
  

   186.2 
  

   200.3 
  

  

  225.3 
  

   193.0 
  

   190.0 
  

  

  185.4 
  

  

  183.6 
  

  

  183.7 
  

   181.3 
  

   184.2 
  

  

  179.6 
  

  

  178.2 
  

   177.7 
  

  

  215 
  O 
  

  

  207.9 
  

   206.6 
  

  

  204.0 
  

   200.8 
  

  

  200.4 
  

   240.9 
  

  

  198.5 
  

  

  192 
  6 
  

  

  194-7 
  

   224.8 
  

   180.3 
  

   184.7 
  

   175-6 
  

   177.9 
  

   173-8 
  

   198.81 
  

  

  