USFS Digital 7.5' Ortho Quadrangle, header format fs1 QUADRANGLE HELMER MOUNTAIN WDNR row/col 264 ONLINE_FILE_NAME 48117g1_1991.tif URL http://rocky.ess.washington.edu/data/raster/usfs/sandpoint/images/48117g1_1991.zip MAP_COLLECTION_CDROM_NAME G4281 .A4 S40 U5, volume 258 g148117.bil PIXEL_SIZE 2 meter SOURCE_PHOTO_DATE 1991 23 July PRIMARY_HORIZONTAL_DATUM NAD27 NAD83 - NAD27: -78.2600 210.8800 PROJECTION UTM ZONE 11 UNITS meters NAD27_UPPER_LEFT_PIXEL_CENTER 490510.0000 5413695.0000 PROJECT COL PHOTO_SYMBOL NAPP91 PHOTO_SCALE 40000 GEOLOC_ZONE 1 GEOLOC_# CH16