BEGIN_USGS_DOQ_HEADER
QUADRANGLE_NAME "HELENA"
QUADRANT NW
NORTH_LATITUDE   46 37 30.000
WEST_LONGITUDE -112 07 30.000
SOUTH_LATITUDE   46 33 45.000
EAST_LONGITUDE -112 03 45.000
PRODUCTION_DATE 1999 01 01
RASTER_ORDER LEFT_RIGHT/TOP_BOTTOM
BAND_ORGANIZATION "SINGLE FILE"
BAND_CONTENT BLACK&WHITE
BITS_PER_PIXEL 8
SAMPLES_AND_LINES 5580 7650
HORIZONTAL_DATUM NAD83
HORIZONTAL_COORDINATE_SYSTEM UTM
COORDINATE_ZONE 12
HORIZONTAL_UNITS METERS
HORIZONTAL_RESOLUTION 1.000
SECONDARY_HORIZONTAL_DATUM NAD27
XY_ORIGIN 413400.000 5164410.000
SECONDARY_XY_ORIGIN 413461.573 5164197.974
NATION US
STATE MT
NW_QUAD_CORNER_XY 413874.963 5164107.725
NE_QUAD_CORNER_XY 418659.656 5164041.325
SE_QUAD_CORNER_XY 418566.083 5157096.487
SW_QUAD_CORNER_XY 413775.884 5157162.894
SECONDARY_NW_QUAD_XY 413872.330 5163889.395
SECONDARY_NE_QUAD_XY 418657.169 5163822.993
SECONDARY_SE_QUAD_XY 418563.596 5156878.189
SECONDARY_SW_QUAD_XY 413773.251 5156944.598
RMSE_XY 1.590
IMAGE_SOURCE "BLACK AND WHITE FILM"
SOURCE_IMAGE_ID "NAPP 8388 41"
SOURCE_IMAGE_DATE 1995 08 09
SOURCE_DEM_DATE 1998 01 01
AGENCY "WESTERN MAPPING CENTER (WMC)"
PRODUCER "ANALYTICAL SURVEYS INC."
PRODUCTION_SYSTEM "ORBIT OR_RECTIFY V.5.2"
STANDARD_VERSION 1996 12
METADATA_DATE 1999 01 06
DATA_FILE_SIZE 42692580
BYTE_COUNT 5580