reporting all LAS header entries:
  file signature:             'LASF'
  file source ID:             0
  global_encoding:            1
  project ID GUID data 1-4:   329410546 25413 18936 '¸Ç†Ît('
  version major.minor:        1.2
  system identifier:          'NIIRS10'
  generating software:        'LIDAR1 tiled'
  file creation day/year:     79/2013
  header size:                227
  offset to point data:       3139
  number var. length records: 5
  point data format:          1
  point data record length:   28
  number of point records:    11731938
  number of points by return: 6618099 3669722 1242241 201876 0
  scale factor x y z:         0.01 0.01 0.01
  offset x y z:               0 0 0
  min x y z:                  455214.70 5253930.85 395.93
  max x y z:                  457595.69 5257421.21 469.64
variable length header record 1 of 5:
  reserved             43707
  user ID              'LASF_Projection'
  record ID            34735
  length after header  192
  description          'GeoTiff Projection Keys'
    GeoKeyDirectoryTag version 1.1.0 number of keys 23
      key 1024 tiff_tag_location 0 count 1 value_offset 1 - GTModelTypeGeoKey: ModelTypeProjected
      key 2048 tiff_tag_location 0 count 1 value_offset 4269 - GeographicTypeGeoKey: GCS_NAD83
      key 2049 tiff_tag_location 34737 count 6 value_offset 79 - GeogCitationGeoKey: NAD83
      key 2050 tiff_tag_location 0 count 1 value_offset 6269 - GeogGeodeticDatumGeoKey: Datum_North_American_Datum_1983
      key 2051 tiff_tag_location 0 count 1 value_offset 8901 - GeogPrimeMeridianGeoKey: PM_Greenwich
      key 2054 tiff_tag_location 0 count 1 value_offset 9102 - GeogAngularUnitsGeoKey: Angular_Degree
      key 2055 tiff_tag_location 34736 count 1 value_offset 9 - GeogAngularUnitSizeGeoKey: 0.01745329252
      key 2056 tiff_tag_location 0 count 1 value_offset 7019 - GeogEllipsoidGeoKey: Ellipse_GRS_1980
      key 2057 tiff_tag_location 34736 count 1 value_offset 6 - GeogSemiMajorAxisGeoKey: 6378137
      key 2059 tiff_tag_location 34736 count 1 value_offset 7 - GeogInvFlatteningGeoKey: 298.2572221
      key 2061 tiff_tag_location 34736 count 1 value_offset 8 - GeogPrimeMeridianLongGeoKey: 0
      key 3072 tiff_tag_location 0 count 1 value_offset 26915 - ProjectedCSTypeGeoKey: PCS_NAD83_UTM_zone_15N
      key 3073 tiff_tag_location 34737 count 53 value_offset 0 - PCSCitationGeoKey: NAD83 / UTM zone 15N|projection: Transverse Mercator
      key 3075 tiff_tag_location 0 count 1 value_offset 1 - ProjCoordTransGeoKey: CT_TransverseMercator
      key 3076 tiff_tag_location 0 count 1 value_offset 9001 - ProjLinearUnitsGeoKey: Linear_Meter
      key 3077 tiff_tag_location 34736 count 1 value_offset 5 - ProjLinearUnitSizeGeoKey: 1
      key 3081 tiff_tag_location 34736 count 1 value_offset 0 - ProjNatOriginLatGeoKey: 0
      key 3082 tiff_tag_location 34736 count 1 value_offset 1 - ProjFalseEastingGeoKey: 500000
      key 3083 tiff_tag_location 34736 count 1 value_offset 2 - ProjFalseNorthingGeoKey: 0
      key 3088 tiff_tag_location 34736 count 1 value_offset 3 - ProjCenterLongGeoKey: -93
      key 3092 tiff_tag_location 34736 count 1 value_offset 4 - ProjScaleAtNatOriginGeoKey: 0.9996
      key 4097 tiff_tag_location 34737 count 26 value_offset 53 - VerticalCitationGeoKey: NAVD88 - Geoid09 (Meters)
      key 4099 tiff_tag_location 0 count 1 value_offset 9001 - VerticalUnitsGeoKey: Linear_Meter
variable length header record 2 of 5:
  reserved             43707
  user ID              'LASF_Projection'
  record ID            34736
  length after header  80
  description          'GeoTiff double parameters'
    GeoDoubleParamsTag (number of doubles 10)
      0 500000 0 -93 0.9996 1 6.37814e+006 298.257 0 0.0174533 
variable length header record 3 of 5:
  reserved             43707
  user ID              'LASF_Projection'
  record ID            34737
  length after header  86
  description          'GeoTiff ASCII parameters'
    GeoAsciiParamsTag (number of characters 86)
      NAD83 / UTM zone 15N|projection: Transverse Mercator|NAVD88 - Geoid09 (Meters)|NAD83| 
variable length header record 4 of 5:
  reserved             43707
  user ID              'NIIRS10'
  record ID            4
  length after header  10
  description          'NIIRS10 Timestamp'
variable length header record 5 of 5:
  reserved             43707
  user ID              'NIIRS10'
  record ID            1
  length after header  26
  description          'NIIRS10 Tile Index'
the header is followed by 2248 user-defined bytes
LASzip compression (version 2.1r0 c2 50000): POINT10 2 GPSTIME11 2
reporting minimum and maximum for all LAS point record entries ...
  x   45521470   45759569
  y  525393085  525742121
  z      39593      46964
  intensity 0 250
  edge_of_flight_line 0 1
  scan_direction_flag 0 1
  number_of_returns_of_given_pulse 1 4
  return_number                    1 4
  classification      1    17
  scan_angle_rank   -26    21
  user_data         148   217
  point_source_ID  3057  5050
  gps_time 18210248.642153 19595624.441963
number of last returns: 6617880
covered area in square meters/kilometers: 7561040/7.56
point density: all returns 1.55 last only 0.88 (per square meter)
      spacing: all returns 0.80 last only 1.07 (in meters)
number of points in header is correct.
number of points by return in header is correct.
overview over number of returns of given pulse: 2948162 4855149 3121131 807496 0 0 0
histogram of classification of points:
           48416  Unclassified (1)
         1789834  Ground (2)
          278898  Low Vegetation (3)
          318346  Medium Vegetation (4)
         3215838  High Vegetation (5)
             328  Building (6)
            5274  Low Point (noise) (7)
           76772  Model Key-point (mass point) (8)
          801517  Water (9)
            4616  Reserved for ASPRS Definition (10)
         5192099  Reserved for ASPRS Definition (17)
bounding box is correct.