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  NEW 
  YOEK 
  STATE 
  MUSEUM 
  

  

  PLATE 
  FACING 
  PAGE 
  

  

  XIII. 
  Precambrian 
  Gneiss, 
  Gorge 
  of 
  the 
  Hudsou 
  River, 
  Luzerne, 
  

  

  Warren 
  county, 
  and 
  Hadley, 
  Saratoga 
  county 
  140 
  

  

  XIV. 
  Precambrian 
  Rocks, 
  Adirondack 
  Mountains, 
  Avalanche 
  

  

  Lake, 
  Essex 
  county 
  140 
  

  

  XV. 
  Precambrian 
  Rocks, 
  North 
  End 
  of 
  Willsboro 
  Tunnel, 
  shore 
  of 
  

  

  Lake 
  Champlain, 
  Essex 
  county 
  140 
  

  

  XVI. 
  Precambrian 
  Marble, 
  E. 
  E. 
  Stevens' 
  Quarry, 
  three 
  miles 
  

  

  south 
  of 
  Cant 
  OD, 
  St. 
  Lawrence 
  county 
  140 
  

  

  XVII. 
  Precambrian, 
  Empire 
  Marble 
  Co.'s 
  Quarry, 
  near 
  Gouverneur, 
  

  

  St. 
  Law^rence 
  county 
  140 
  

  

  XIX. 
  Precambrian 
  Gneiss, 
  Dodge 
  Farm, 
  Macomb, 
  St. 
  Lawrence 
  

  

  county. 
  Potsdam 
  Sandstone 
  Resting 
  Unconformably 
  upon, 
  144 
  

   XX. 
  Precambrian 
  Gneiss, 
  Hudson 
  River, 
  near 
  Jessup's 
  Landing, 
  

   Saratoga 
  county. 
  Potsdam 
  Sandstone 
  Resting 
  Unconform- 
  

   ably 
  on 
  144 
  

  

  XXrV. 
  Precambrian 
  Crystalline 
  Rocks, 
  Mosherville, 
  Saratoga 
  

  

  county, 
  Potsdam 
  Conglomerate 
  on 
  144 
  

  

  XXV. 
  Precambrian 
  Crystalline 
  Schists, 
  West 
  Shore 
  R. 
  R. 
  Cutting, 
  

   one 
  mile 
  west 
  of 
  Downing 
  Station, 
  Montgomery 
  county. 
  

  

  Calciferous 
  sandrock 
  Resting 
  on 
  146 
  

  

  CV. 
  Precambrian. 
  Granite 
  Quarry, 
  Round 
  Island, 
  near 
  Peekskill, 
  

  

  Westchester 
  county 
  182 
  

  

  CVIII. 
  Precambrian, 
  Interior 
  of 
  Northern 
  New 
  York 
  Marble 
  Co.'s 
  

  

  Quarry, 
  near 
  Gouverneur, 
  St. 
  Lawrence 
  county 
  198 
  

  

  Cambrian. 
  

  

  XVIII. 
  Potsdam 
  Sandstone, 
  Quarry 
  of 
  Merritt 
  & 
  Tappan, 
  three 
  

  

  miles 
  south 
  of 
  Potsdam, 
  St. 
  Lawrence 
  county 
  144 
  

  

  XIX, 
  Potsdam 
  Sandstone, 
  Resting 
  Unconformably 
  upon 
  Precam- 
  

   brian 
  Gneiss, 
  Dodge 
  Farm, 
  Macomb, 
  St. 
  Lawrence 
  county, 
  144 
  

   XX. 
  Potsdam 
  Sandstone 
  Resting 
  Unconformably 
  on 
  Precambrian 
  

   Gneiss, 
  Hudson 
  River, 
  near 
  Jessup's 
  Landing, 
  Saratoga 
  

  

  county 
  144 
  

  

  XXI, 
  Potsdam 
  Sandstone. 
  Hell 
  Gate, 
  Ausable 
  Chasm, 
  Clinton 
  

  

  county 
  144 
  

  

  XXII. 
  Potsdam 
  Sandstone, 
  Grand 
  Flume, 
  Ausable 
  Chasm, 
  Clinton 
  

  

  county 
  144 
  

  

  XXIII. 
  Potsdam 
  Conglomerate, 
  Mosherville, 
  Saratoga 
  county. 
  Glaci- 
  

  

  ated 
  Surface 
  of 
  144 
  

  

  XXIV. 
  Potsdam 
  Conglomerate 
  on 
  Precambrian 
  Crystalline 
  Rocks, 
  

  

  Mosherville, 
  Saratoga 
  county 
  144 
  

  

  CVI. 
  Potsdam 
  Sandstone, 
  Clarkson's 
  Quarry, 
  three 
  miles 
  south 
  of 
  

  

  Potsdam, 
  St. 
  Lawrence 
  county 
  188 
  

  

  