BEGIN_USGS_DOQ_HEADER                                                         *

QUADRANGLE_NAME "AETNA SPRINGS"                          3.45 or 7.5-min. name*

QUADRANT NE                     quadrant indicator if cell size = 3.75-minutes*

WEST_LONGITUDE -122 26 15.000                signed deg min sec SDDD MM SS.SSS*

EAST_LONGITUDE -122 22 30.000                signed deg min sec SDDD MM SS.SSS*

NORTH_LATITUDE   38 45  0.000                signed deg min sec SDDD MM SS.SSS*

SOUTH_LATITUDE   38 41 15.000                signed deg min sec SDDD MM SS.SSS*

PRODUCTION_DATE 1998  8  5                                          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   6176  7585                      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   548483.000  4289520.000      coord. of upper left pixel pri. datum*

SECONDARY_XY_ORIGIN   548578.933  4289323.982 coord upper left pixel sec datum*

NATION US                                                          nation code*

STATE CA                                                        state fip code*

NW_QUAD_CORNER_XY   548878.971  4289184.593  XY coords. of pri. NW quad corner*

NE_QUAD_CORNER_XY   554310.013  4289219.822  XY coords. of pri. NE quad corner*

SE_QUAD_CORNER_XY   554357.336  4282284.374  XY coords. of pri. SE quad corner*

SW_QUAD_CORNER_XY   548921.562  4282249.162  XY coords. of pri. SW quad corner*

SECONDARY_NW_QUAD_XY   548880.216  4288977.186  XY coords. - sec. NW quad cor.*

SECONDARY_NE_QUAD_XY   554311.396  4289012.416  XY coords. - sec. NE quad cor.*

SECONDARY_SE_QUAD_XY   554358.719  4282077.108  XY coords. - sec. SE quad cor.*

SECONDARY_SW_QUAD_XY   548922.806  4282041.895  XY coords. - sec. SW quad cor.*

RMSE_XY  3.30                                              doq horiz. accuracy*

IMAGE_SOURCE "BLACK AND WHITE FILM"             b&w, cir, natural color, other*

SOURCE_IMAGE_ID "NAPP 6360 199"                                source image id*

SOURCE_IMAGE_DATE 1993 07 10                   source image date as yyyy mm dd*

SOURCE_DEM_DATE 1992 00 00                          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 1998 08 21                   date created or changed, yyyy mm dd*

DATA_FILE_SIZE   46851136                               data set size in bytes*

BYTE_COUNT   6176                                            header byte count*

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END_USGS_HEADER                                                               *