The key item for this image is that it has GeogGeographicDatumGeoKey
set, but not GCS.  This can be used to verify correct handling of images
without a GCS but still having a datum.

Contributed by Duncan Chaundy, PCI.

Geotiff_Information:
   Version: 1
   Key_Revision: 1.0
   Tagged_Information:
      ModelTiepointTag (2,3):
         0                0                0                
         -368130          92100            0                
      ModelPixelScaleTag (1,3):
         10               10               0                
      End_Of_Tags.
   Keyed_Information:
      GTModelTypeGeoKey (Short,1): ModelTypeProjected
      GTRasterTypeGeoKey (Short,1): RasterPixelIsArea
      GeogGeodeticDatumGeoKey (Short,1): Datum_North_American_Datum_1983
      GeogEllipsoidGeoKey (Short,1): Ellipse_GRS_1980
      ProjectedCSTypeGeoKey (Short,1): User-Defined
      PCSCitationGeoKey (Ascii,52): "Lambert Conformal Conic; North American 1983; GRS80"
      ProjectionGeoKey (Short,1): User-Defined
      ProjCoordTransGeoKey (Short,1): CT_LambertConfConic_2SP
      ProjLinearUnitsGeoKey (Short,1): Linear_Meter
      ProjStdParallel1GeoKey (Double,1): 37               
      ProjStdParallel2GeoKey (Double,1): 39.5             
      ProjNatOriginLongGeoKey (Double,1): -79.5            
      ProjNatOriginLatGeoKey (Double,1): 36               
      ProjFalseEastingGeoKey (Double,1): 0                
      ProjFalseNorthingGeoKey (Double,1): 0                
      End_Of_Keys.
   End_Of_Geotiff.

Projection Method: CT_LambertConfConic_2SP
   ProjFalseOriginLatGeoKey: 36.000000 ( 36d 0' 0.00"N)
   ProjFalseOriginLongGeoKey: -79.500000 ( 79d30' 0.00"W)
   ProjStdParallel1GeoKey: 37.000000 ( 37d 0' 0.00"N)
   ProjStdParallel2GeoKey: 39.500000 ( 39d30' 0.00"N)
   ProjFalseEastingGeoKey: 0.000000 m
   ProjFalseNorthingGeoKey: 0.000000 m
Datum: 6269/North American Datum 1983
Ellipsoid: 7019/GRS 1980 (6378137.00,6356752.31)
Projection Linear Units: 9001/metre (1.000000m)

Corner Coordinates:
Upper Left    (-368130.000,  92100.000)  ( 83d37'24.79"W, 36d45'21.00"N)
Lower Left    (-368130.000,  86980.000)  ( 83d37'15.60"W, 36d42'35.08"N)
Upper Right   (-363010.000,  92100.000)  ( 83d33'58.60"W, 36d45'28.34"N)
Lower Right   (-363010.000,  86980.000)  ( 83d33'49.54"W, 36d42'42.43"N)
Center        (-365570.000,  89540.000)  ( 83d35'37.13"W, 36d44' 1.72"N)