BEGIN_USGS_DOQ_HEADER                                                         *
QUADRANGLE_NAME "ESSEX"                                  3.45 or 7.5-min. name*
QUADRANT NE                     quadrant indicator if cell size = 3.75-minutes*
WEST_LONGITUDE -115 11 15.000                signed deg min sec SDDD MM SS.SSS*
EAST_LONGITUDE -115  7 30.000                signed deg min sec SDDD MM SS.SSS*
NORTH_LATITUDE   34 45  0.000                signed deg min sec SDDD MM SS.SSS*
SOUTH_LATITUDE   34 41 15.000                signed deg min sec SDDD MM SS.SSS*
PRODUCTION_DATE 1997  3 13                                          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   6540  7650                      number of columns and rows*
HORIZONTAL_DATUM NAD83                                primary horizontal datum*
HORIZONTAL_COORDINATE_SYSTEM UTM                                              *
COORDINATE_ZONE     11                           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   665520.000  3847230.000      coord. of upper left pixel pri. datum*
SECONDARY_XY_ORIGIN   665598.067  3847034.664 coord upper left pixel sec datum*
NATION US                                                          nation code*
STATE CA                                                        state fip code*
NW_QUAD_CORNER_XY   665904.858  3846815.625  XY coords. of pri. NW quad corner*
NE_QUAD_CORNER_XY   671626.424  3846920.608  XY coords. of pri. NE quad corner*
SE_QUAD_CORNER_XY   671755.672  3839988.602  XY coords. of pri. SE quad corner*
SW_QUAD_CORNER_XY   666029.793  3839883.705  XY coords. of pri. SW quad corner*
SECONDARY_NW_QUAD_XY   665908.670  3846618.854  XY coords. - sec. NW quad cor.*
SECONDARY_NE_QUAD_XY   671630.368  3846723.840  XY coords. - sec. NE quad cor.*
SECONDARY_SE_QUAD_XY   671759.613  3839792.026  XY coords. - sec. SE quad cor.*
SECONDARY_SW_QUAD_XY   666033.602  3839687.127  XY coords. - sec. SW quad cor.*
RMSE_XY  1.10                                              doq horiz. accuracy*
IMAGE_SOURCE "BLACK AND WHITE FILM"             b&w, cir, natural color, other*
SOURCE_IMAGE_ID "NAPP 6822 219"                                source image id*
SOURCE_IMAGE_DATE 1995 10  1                   source image date as yyyy mm dd*
SOURCE_DEM_DATE 1997  3 13                          source dem date yyyy mm dd*
AGENCY "WESTERN MAPPING CENTER (WMC)"                         oversight agency*
PRODUCER "Analytical Surveys"                              producer/contractor*
PRODUCTION_SYSTEM "ORBIT OR_RECTIFY V.5.2"                   production system*
STANDARD_VERSION 1996 12                               version of DOQ standard*
METADATA_DATE 1997 10 29                   date created or changed, yyyy mm dd*
DATA_FILE_SIZE   50037540                               data set size in bytes*
BYTE_COUNT   6540                                            header byte count*
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END_USGS_HEADER                                                               *