﻿20 
  Thirtieth 
  Report 
  on 
  the 
  State 
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  Miscellaneous 
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  Xo. 
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  Synopsis 
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   Colorado. 
  By 
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   Washington. 
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  Pamph., 
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  180. 
  

  

  Miscellaneous 
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  Xo. 
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  Descriptive 
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   the 
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  Geological 
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   tories. 
  Washington, 
  1875. 
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  Bulletin 
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  Washington. 
  1876 
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  Svo.. 
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  392. 
  

  

  Bulletin 
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  Wash- 
  

   ington, 
  1S75 
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  1876. 
  Pamph.. 
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  48, 
  '231-414. 
  415- 
  

   499-xiii. 
  

  

  Office 
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  The 
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  Wealth. 
  Climate 
  and 
  

   Eainfall 
  and 
  Natural 
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   Washington. 
  1S76. 
  Svo.. 
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  71. 
  

  

  Preliminary 
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   and 
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  By 
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   Washington. 
  1872. 
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  Annual 
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  Sur- 
  

   vey 
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  embracing 
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  Parts 
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   Adjacent 
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  for 
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  Year 
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  By 
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   Washington. 
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  Report 
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   Mountains. 
  By 
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  Washington, 
  1876. 
  Quarto, 
  

   pp. 
  218. 
  

  

  Atlas 
  accompanying 
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  Geology 
  of 
  the 
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   Mountains. 
  By 
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  W. 
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  1S76. 
  Folio, 
  2 
  maps. 
  6 
  

   plates. 
  

  

  A 
  Monograph 
  of 
  the 
  Geometric! 
  Moths 
  or 
  Phala?nida? 
  of 
  the 
  

   United 
  States. 
  By 
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  Jr.. 
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   1876. 
  Quarto, 
  pp. 
  607. 
  plates 
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  Circulars 
  of 
  Information 
  of 
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  Bureau 
  of 
  Education. 
  Nos. 
  7 
  

   and 
  8. 
  1S75. 
  

  

  Statistical 
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  of 
  the 
  United 
  States. 
  Compiled 
  by 
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  A. 
  

   Walker. 
  Part 
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  Physical 
  Features. 
  Part 
  II. 
  Population. 
  

  

  Part 
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  Vital 
  Statistics. 
  1874. 
  Folio, 
  pp. 
  . 
  Plates 
  

  

  I-LIV. 
  From 
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  Department 
  <;>f 
  the 
  Interior. 
  

  

  Second 
  Geological 
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  of 
  Pennsylvania, 
  1S74. 
  

  

  B. 
  — 
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  of 
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   By 
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  Genth. 
  Harrisburg. 
  1S75. 
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  206 
  B. 
  

  

  