BEGIN_USGS_DOQ_HEADER                                                         *
QUADRANGLE_NAME "HUMBUG VALLEY"                          3.45 or 7.5-min. name*
QUADRANT SE                     quadrant indicator if cell size = 3.75-minutes*
WEST_LONGITUDE -121 18 45.000                signed deg min sec SDDD MM SS.SSS*
EAST_LONGITUDE -121 15  0.000                signed deg min sec SDDD MM SS.SSS*
NORTH_LATITUDE 40 11 15.000                  signed deg min sec SDDD MM SS.SSS*
SOUTH_LATITUDE 40 7 30.000                   signed deg min sec SDDD MM SS.SSS*
PRODUCTION_DATE 2000  6 28                                          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 6160 7666                         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 643256.000 4450342.000         coord. of upper left pixel pri. datum*
SECONDARY_XY_ORIGIN 643351.350 4450146.284    coord upper left pixel sec datum*
NATION US                                                          nation code*
STATE CA                                                        state fip code*
NW_QUAD_CORNER_XY 643653.256 4449933.531     XY coords. of pri. NW quad corner*
NE_QUAD_CORNER_XY 648974.022 4450036.558     XY coords. of pri. NE quad corner*
SE_QUAD_CORNER_XY 649110.712 4443098.930     XY coords. of pri. SE quad corner*
SW_QUAD_CORNER_XY 643785.061 4442995.942     XY coords. of pri. SW quad corner*
SECONDARY_NW_QUAD_XY 643657.048 4449723.163     XY coords. - sec. NW quad cor.*
SECONDARY_NE_QUAD_XY 648977.954 4449826.193     XY coords. - sec. NE quad cor.*
SECONDARY_SE_QUAD_XY 649114.642 4442888.686     XY coords. - sec. SE quad cor.*
SECONDARY_SW_QUAD_XY 643788.850 4442785.695     XY coords. - sec. SW quad cor.*
RMSE_XY 2.98                                               doq horiz. accuracy*
IMAGE_SOURCE "BLACK AND WHITE FILM"             b&w, cir, natural color, other*
SOURCE_IMAGE_ID "NAPP 10503-130"                               source image id*
SOURCE_IMAGE_DATE 1998  8 22                   source image date as yyyy mm dd*
SOURCE_DEM_DATE 1997  6  1                          source dem date yyyy mm dd*
AGENCY "WESTERN MAPPING CENTER (WMC)"                         oversight agency*
PRODUCER "WOOLPERT LLP"                                    producer/contractor*
PRODUCTION_SYSTEM "INTERGRAPH ISPM, ISIR"                    production system*
STANDARD_VERSION 1996 12                               version of DOQ standard*
METADATA_DATE 2000  6 29                   date created or changed, yyyy mm dd*
DATA_FILE_SIZE 47228720                                 data set size in bytes*
BYTE_COUNT 6160                                              header byte count*
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END_USGS_HEADER                                                               *