File parameters for Alaska Hydrologic Subregions and subareas.

Map:
  Projection                       Albers Equal-Area Conic
  First standard parallel          55 00 00 N
  Second standard parallel         65 00 00 N
  Longitude of central meridian    154 00 00 W
  Latitude of origin               50 00 00 N
  False easting                    0
  False northing                   0
  Spheroid parameters:             Clarke 1866
  Units of measure                 Meters
  Cell size                        1,000 meters

Center of pixel (1,1)              ( -997000, 2422000)
  Number of lines                  1,992 
  Number of samples                2,512
  Header file                      None
  Header record                    None
  Data depth                       Byte (8 bits)
  Number of channels               1

Albers meters for minimum bounding rectangle (X, Y):  
  Upper Left             (-977500  2422500)
  Upper Right            (1534500  2422500)
  Lower Left             (-977500   430500)
  Lower Right            (1534500   430500)

Geographic degrees, minutes, and seconds:
  Upper Left        (179 51' 52" W   70  4' 39" N)
  Upper Right       (115 59' 22" W   67 41' 51" N)
  Lower Left        (168 36'  9" E   52 55'  0" N)
  Lower Right       (131 35' 27" W   51 31' 53" N)

Cell Values and Hydro Subregion & Subarea:
    0  Null Data       (fill)
   11  SouthEast       southern most
   12  SouthEast       south
   13  SouthEast       north
   14  SouthEast       northern most
   21  SouthCentral    Gulf of Alaska
   22  SouthCentral    Wrangles
   23  SouthCentral    Kenai
   24  SouthCentral    Anchorage
   25  SouthCentral    Matsu
   26  SouthCentral    CookInlet
   27  SouthCentral    Kodiak-Shelikof
   31  SouthWest       Aleutian
   32  SouthWest       BristolBay/south
   33  SouthWest       BristolBay/Togiak
   34  SouthWest       upper Kuskokwin Bay
   35  SouthWest       lower Kuskokwin Bay
   41  Yukon           upper Yukon (upper)
   42  Yukon           upper Yukon (middle)
   43  Yukon           upper Yukon (lower)
   44  Yukon           Yukon Flats
   45  Yukon           Tanana
   46  Yukon           Koyukuk
   47  Yukon           central Yukon
   48  Yukon           lower Yukon
   51  NorthWest       Norton Sound
   52  NorthWest       south Kotzebue Sound
   53  NorthWest       Kobuk/Kotzebue Sound
   54  NorthWest       Nantak/Kotzebue Sound
   61  Arctic          West Arctic (western tip)
   62  Arctic          West Arctic (Barrow)
   63  Arctic          Colville
   64  Arctic          East Arctic (West 1/2)
   65  Arctic          East Arctic (East 1/2)