BEGIN_USGS_DOQ_HEADER                                                         *
QUADRANGLE_NAME "ASH VALLEY"                             3.45 or 7.5-min. name*
QUADRANT NW                     quadrant indicator if cell size = 3.75-minutes*
WEST_LONGITUDE -120 45  0.000                signed deg min sec SDDD MM SS.SSS*
EAST_LONGITUDE -120 41 15.000                signed deg min sec SDDD MM SS.SSS*
NORTH_LATITUDE   41  7 30.000                signed deg min sec SDDD MM SS.SSS*
SOUTH_LATITUDE   41  3 45.000                signed deg min sec SDDD MM SS.SSS*
PRODUCTION_DATE 2000 12  7                                          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   6124  7693                      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   688486.000  4555511.000      coord. of upper left pixel pri. datum*
SECONDARY_XY_ORIGIN   688580.784  4555313.153 coord upper left pixel sec datum*
NATION US                                                          nation code*
STATE CA                                                        state fip code*
NW_QUAD_CORNER_XY   688877.137  4555073.230  XY coords. of pri. NW quad corner*
NE_QUAD_CORNER_XY   694124.108  4555210.703  XY coords. of pri. NE quad corner*
SE_QUAD_CORNER_XY   694308.292  4548271.719  XY coords. of pri. SE quad corner*
SW_QUAD_CORNER_XY   689056.336  4548134.286  XY coords. of pri. SW quad corner*
SECONDARY_NW_QUAD_XY   688882.236  4554861.178  XY coords. - sec. NW quad cor.*
SECONDARY_NE_QUAD_XY   694129.349  4554998.656  XY coords. - sec. NE quad cor.*
SECONDARY_SE_QUAD_XY   694313.530  4548059.779  XY coords. - sec. SE quad cor.*
SECONDARY_SW_QUAD_XY   689061.433  4547922.343  XY coords. - sec. SW quad cor.*
RMSE_XY  2.40                                              doq horiz. accuracy*
IMAGE_SOURCE "BLACK AND WHITE FILM"             b&w, cir, natural color, other*
SOURCE_IMAGE_ID "NAPP 10507 029"                               source image id*
SOURCE_IMAGE_DATE 1998 08 25                   source image date as yyyy mm dd*
SOURCE_DEM_DATE 2000 01 01                          source dem date yyyy mm dd*
AGENCY "WESTERN MAPPING CENTER (WMC)"                         oversight agency*
PRODUCER "SCIENCE APPLICATIONS INTERNATIONAL"              producer/contractor*
PRODUCTION_SYSTEM "GIS/MAGIC"                                production system*
STANDARD_VERSION 1996 12                               version of DOQ standard*
METADATA_DATE 2000 12 08                   date created or changed, yyyy mm dd*
DATA_FILE_SIZE   47118056                               data set size in bytes*
BYTE_COUNT   6124                                            header byte count*
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END_USGS_HEADER                                                               *