BEGIN_USGS_DOQ_HEADER                                                         *
QUADRANGLE_NAME "CHEWS RIDGE"                            3.45 or 7.5-min. name*
QUADRANT SE                     quadrant indicator if cell size = 3.75-minutes*
WEST_LONGITUDE -121 33 45.000                signed deg min sec SDDD MM SS.SSS*
EAST_LONGITUDE -121 30  0.000                signed deg min sec SDDD MM SS.SSS*
NORTH_LATITUDE   36 18 45.000                signed deg min sec SDDD MM SS.SSS*
SOUTH_LATITUDE   36 15  0.000                signed deg min sec SDDD MM SS.SSS*
PRODUCTION_DATE 1995 12 14                                          yyyy mm dd*
RASTER_ORDER LEFT_RIGHT/TOP_BOTTOM                         video display order*
BAND_ORGANIZATION "SINGLE FILE"              single file or BSQ, or BIL or BIP*
BAND_CONTENT BLACK&WHITE                         black&white or red green blue*
BITS_PER_PIXEL  8                                       radiometric resolution*
SAMPLES_AND_LINES   6416  7627                      number of columns and rows*
HORIZONTAL_DATUM NAD83                                primary horizontal datum*
HORIZONTAL_COORDINATE_SYSTEM UTM                                              *
COORDINATE_ZONE     10                           coordinate system zone number*
HORIZONTAL_UNITS METERS                                coordinate system units*
HORIZONTAL_RESOLUTION  1.00                pixel horiz. ground sample distance*
SECONDARY_HORIZONTAL_DATUM NAD27                    secondary horizontal datum*
XY_ORIGIN   628654.000  4019955.000      coord. of upper left pixel pri. datum*
SECONDARY_XY_ORIGIN   628751.496  4019759.310 coord upper left pixel sec datum*
NATION US                                                          nation code*
STATE CA                                                        state fip code*
NW_QUAD_CORNER_XY   629049.460  4019568.970  XY coords. of pri. NW quad corner*
NE_QUAD_CORNER_XY   634660.690  4019654.170  XY coords. of pri. NE quad corner*
SE_QUAD_CORNER_XY   634768.120  4012720.960  XY coords. of pri. SE quad corner*
SW_QUAD_CORNER_XY   629152.420  4012635.820  XY coords. of pri. SW quad corner*
SECONDARY_NW_QUAD_XY   629052.550  4019367.650  XY coords. - sec. NW quad cor.*
SECONDARY_NE_QUAD_XY   634663.910  4019452.850  XY coords. - sec. NE quad cor.*
SECONDARY_SE_QUAD_XY   634771.340  4012519.820  XY coords. - sec. SE quad cor.*
SECONDARY_SW_QUAD_XY   629155.510  4012434.670  XY coords. - sec. SW quad cor.*
RMSE_XY  5.00                                              doq horiz. accuracy*
IMAGE_SOURCE "BLACK AND WHITE FILM"             b&w, cir, natural color, other*
SOURCE_IMAGE_ID "NAPP 6920 79"                                 source image id*
SOURCE_IMAGE_DATE 1994  5 13                   source image date as yyyy mm dd*
SOURCE_DEM_DATE 1995 12 14                          source dem date yyyy mm dd*
AGENCY "WESTERN MAPPING CENTER (WMC)"                         oversight agency*
PRODUCER "USFS"                                            producer/contractor*
PRODUCTION_SYSTEM "DV2.6.1 6/95OV2.4 5/95"                   production system*
STANDARD_VERSION 1996 12                               version of DOQ standard*
METADATA_DATE 1997  6 13                   date created or changed, yyyy mm dd*
DATA_FILE_SIZE   48941248                               data set size in bytes*
BYTE_COUNT   6416                                            header byte count*
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END_USGS_HEADER                                                               *