DOQ Keyword Header Description Domain descriptions in bold and marked with an asterisk (*)indicate standard USGS DOQ values. FGDC Content Standards for Digital Geospatial Metadata (6/8/94) data element name equivalents are in brackets, e.g., [FGDC Metadata Element], in the Element Description column. IDENTIFICATION Keyword Element Description Type Domain/Example BEGIN_USGS_DOQ_HEADER data type identification QUADRANGLE_NAME data set name [Title] Quadrangle name + text(1) 7.5-minute cell name e.g. "Half Moon Bay" QUADRANT Quadrant Quadrant directional if image is quarter-quadrangle NW, NE, SE, SW WEST_LONGITUDE western-most boundary of the 3.75- or 7.5-minute quadrangle, excluding overedge [West Bounding Coordinate] compound numeric signed degrees, minutes, seconds DDD MM SS.SSS e.g. -110 03 45.000 EAST_LONGITUDE eastern-most boundary of the 3.75- or 7.5-minute quadrangle, excluding overedge [East Bounding Coordinate] compound numeric DDD MM SS.SSS e.g. -110 00 00.000 NORTH_LATITUDE northern-most boundary of the 3.75- or 7.5-minute quadrangle, excluding overedge [North Bounding Coordinate] compound numeric DD MM SS.SSS e.g. 38 03 45.000 SOUTH_LATITUDE southern-most boundary of the 3.75- or 7.5-minute quadrangle, excluding overedge [South Bounding Coordinate] compound numeric DD MM SS.SSS e.g. 38 03 45.000 PRODUCTION_DATE the date the data was produced [Publication Date] date YYYY MM DD DISPLAY Keyword Element Description Type Domain/Example RASTER_ORDER raster data order [Format Information Content] text left_right/top_bottom* BAND_ORGANIZATION raster data organization [Format Information Content] text "single file" = single file BIP = band interleaved by pixel* BSQ = band sequential BIL = band interleaved by line BAND_CONTENT data content of each band (repeat keyword as necessary) [Format Information Content] text BLACK&WHITE RED GREEN BLUE BITS_PER_PIXEL bits per pixel of raster data [Format Information Content] numeric 8 * SAMPLES_AND_LINES number of samples (columns) and lines (rows) [Row and Column Count] compound numeric SSSS LLLL e.g. 6320 7665 REGISTRATION Keyword Element Description Type Domain/Example HORIZONTAL_DATUM name of primary horizontal datum [Horizontal Datum Name] text NAD83 = North American Datum 1983* NAD27 = North American Datum 1927 WGS72 = World Geodetic System 1972 WGS84 = World Geodetic System 1984 "Old Hawaii Datum" "Puerto Rico Datum" HORIZONTAL_COORDINATE _SYSTEM coordinate system in which data is presented [Horizontal Datum Name] text UTM = Universal Transverse Mercator* SPCS = State Plane Coordinate System Geographic = geographic COORDINATE_ZONE coordinate system zone [UTM Zone Number] numeric 1-60 = UTM zone numbers Other coordinate system zone numbers HORIZONTAL_UNITS coordinate system units [Planar System Units] text meters * feet "international feet" "survey feet" radians "arc seconds" HORIZONTAL_RESOLUTION coordinate system (pixel) ground distance specified in horizontal units [Abscissa and Ordinate Resolution] numeric USGS DOQ default is 1.0 SECONDARY_HORIZONTAL _DATUM name of the secondary horizontal datum [Horizontal Datum Name] text NAD83 = North American Datum 1983 NAD27 = North American Datum 1927* WGS72 = World Geodetic System 1972 WGS84 = World Geodetic System 1984 "Old Hawaii Datum" "Puerto Rico Datum" XY_ORIGIN HORIZONTAL_DATUM x and y coordinates of upper left pixel in HORIZONTAL_UNITS [XY_ORIGIN does not have a FGDC metadata element counterpart but this data may be stored under Supplemental_Information] compound numeric e.g. 676442.0 4152645.0 SECONDARY_XY_ORIGIN SECONDARY_HORIZONTAL_DATUM x and y coordinates of upper left pixel in HORIZONTAL_UNITS [SECONDARY_XY_ORIGIN does not have a FGDC metadata element counterpart but this data may be stored under Supplemental_Information] compound numeric e.g. 676442.0 4152640.0 OTHER INFORMATION Keyword Element Description Type Domain/Example NATION FIPS PUB 10-3 two-letter nation code (repeat as necessary) [Place_Keyword] text US, CA, MX STATE FIPS PUB 6-4 two-letter alpha State code. (repeat as necessary) [Place_Keyword] text e.g. CA NW_QUAD_CORNER_XY HORIZONTAL_DATUM x and y coordinates of NW quadrangle corner in HORIZONTAL_UNITS [NW_QUAD_CORNER_XY does not have a FGDC metadata element counterpart but this data may be stored under Supplemental_Information] compound numeric e.g. 473228.05 4400056.95 NE_QUAD_CORNER_XY HORIZONTAL_DATUM x and y coordinates of NE quadrangle corner in HORIZONTAL_UNITS [see NW_QUAD_CORNER_XY element description] compound numeric e.g. 478582.44 4400040.14 SE_QUAD_CORNER_XY HORIZONTAL_DATUM x and y coordinates of NW quadrangle corner in HORIZONTAL_UNITS [see NW_QUAD_CORNER_XY element description] compound numeric e.g. 478563.10 4393103.58 SW_QUAD_CORNER_XY HORIZONTAL_DATUM x and y coordinates of SW quadrangle corner in HORIZONTAL_UNITS [see NW_QUAD_CORNER_XY element description] compound numeric e.g. 473203.87 4393120.38 SECONDARY_NW_ QUAD_XY SECONDARY_HORIZONTAL_DATUM x and y coordinates of NW quadrangle corner in HORIZONTAL_UNITS [SECONDARY_NW_QUAD_XY does not have a FGDC metadata element counterpart but this data may be stored under Supplemental_ Information] compound numeric e.g. 473227.35 4399847.41 SECONDARY_NE_ QUAD_XY SECONDARY_HORIZONTAL_DATUM x and y coordinates of NE quadrangle corner in HORIZONTAL_UNITS [see SECONDARY_NW_QUAD_XY element description] compound numeric e.g. 478581.88 4399830.60 SECONDARY_SE_ QUAD_XY SECONDARY_HORIZONTAL_DATUM x and y coordinates of SE quadrangle corner in HORIZONTAL_UNITS [see SECONDARY_NW_QUAD_XY element description] compound numeric e.g. 478562.54 4392894.17 SECONDARY_SW_ QUAD_XY SECONDARY_HORIZONTAL_DATUM x and y coordinates of SW quadrangle corner in HORIZONTAL_UNITS [see SECONDARY_NW_QUAD_XY element description] compound numeric e.g. 473203.17 4392910.07 RMSE_XY the relative horizontal accuracy of the DOQ in horizontal units [Horizontal Accuracy Value] numeric e.g. 3.2 IMAGE_SOURCE description of the type of source data, film or digital. [Type of source media] text "Black & White film" "CIR film" "Natural Color film" other - free text SOURCE_IMAGE_ID source image identification (repeat as necessary; the presence of more than one source image id indicates that the DOQ is a mosaic.)) [Title] text for film source, this should include program identification, roll, and exposure number e.g. "NAPP 2370-112" SOURCE_IMAGE_DATE the date of the source image (repeat as necessary following SOURCE_IMAGE_ID) [Calendar Date] date YYYY MM DD SOURCE_DEM_DATE the date the source DEM was produced [Calendar Date] date YYYY MM DD AGENCY name of oversight agency [Originator] text "U.S. Geological Survey" "Western Mapping Center (WMC)" PRODUCER the name of the producer (USGS mapping centers will include the center abbreviation; contractors will use their organization's name) [Supplemental Information] text "Western Mapping Center (WMC)" "John Doe Mapping Company" PRODUCTION_SYSTEM the names of the hardware and software, including version numbers, used in the production of the DOQ [Native Data Set Environment] text free text e.g."DV1.2 3/93 OV1.1 04/93" COMPRESSION Compression technique and parameters: data format, format version (this keyword is present only if the data is compressed) [File Compression Technique] text line contains three fields: compression format name format version number decompression name e.g."CJPEG" "JFIFV1.01" "DJPEG" STANDARD_VERSION the date (if the version of the standard is identified only by date) of the DOQ standard to which the file complies [Format version date] date YYYY MM METADATA_DATE the date the metadata were created or last updated [Metadata Date] date YYYY MM DD DATA_FILE_SIZE the size of the data set in bytes including header [Native_Data_Set_Environment] numeric e.g. 54198774 BYTE_COUNT the size of the header, including the associated blank fill, in bytes [no FGDC metadata equivalent, place under Supplemental_Information] numeric e.g. 6076 END HEADER Keyword Element Description Type Domain/Example END_USGS_HEADER 1. A text data type field must be enclosed in double quotation marks if it contains spaces. If more than one text field is specified for a keyword (see COMPRESSION keyword example), each field must be enclosed in double quotation marks. Example Header BEGIN_USGS_DOQ_HEADER * QUADRANGLE_NAME "QUINCY WEST" 3.75 or 7.5-min.name* QUADRANT NE quadrant indicator if cell size = 3.75minutes* WEST_LONGITUDE -91 26 15.000 signed deg., min. & sec.* EAST_LONGITUDE -91 22 30.000 signed deg., min. & sec.* NORTH_LATITUDE 40 0 0.000 signed deg., min. & sec.* SOUTH_LATITUDE 39 56 15.000 signed deg., min. & sec.* PRODUCTION_DATE 1995 07 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 * SAMPLES_AND_LINES 6076 7641 number of columns and rows* HORIZONTAL_DATUM NAD83 primary horizontal datum* HORIZONTAL_COORDINATE_SYSTEM UTM * COORDINATE_ZONE 15 coordinate system zone number* HORIZONTAL_UNITS METERS coordinate system units* HORIZONTAL_RESOLUTION 1.0 coordinate system geometric resolu. in horiz. units* SECONDARY_HORIZONTAL_DATUM NAD27 secondary horizontal datum* XY_ORIGIN 633063.000 4429328.000 coord. of upper left pixel-pri. datum* SECONDARY_XY_ORIGIN 633079.000 4429113.000 coor.-upper left pixel-sec datum* NATION US nation code* STATE IL state fips codes* STATE MO state fips codes* NW_QUAD_CORNER_XY 633377.438 4428926.385 X-Y coords. of pri. NW quad corner* NE_QUAD_CORNER_XY 638712.782 4429021.805 X-Y coords. of pri. NE quad corner* SE_QUAD_CORNER_XY 638839.205 4422084.460 X-Y coords. of pri. SE quad corner* SW_QUAD_CORNER_XY 633498.995 4421989.077 X-Y coords. of pri. SW quad corner* SECONDARY_NW_QUAD_XY 633380.942 4428716.377 X-Y coords. - sec. NW quad cor.* SECONDARY_NE_QUAD_XY 638716.426 4428811.800 X-Y coords. - sec. NE quad cor.* SECONDARY_SE_QUAD_XY 638842.847 4421874.579 X-Y coords. - sec. SE quad cor.* SECONDARY_SW_QUAD_XY 633502.497 4421779.193 X-Y coords. - sec. SW quad cor.* RMSE_XY 0.82 doq horiz. accuracy* IMAGE_SOURCE "black & white film" b&w, color, infra-red or other* SOURCE_IMAGE_ID "NAPP 2231- 2" source image identification* SOURCE_IMAGE_DATE 1991 03 24 source image date as yyyy mm dd* SOURCE_DEM_DATE 1995 07 00 source DEM date* AGENCY "Western Mapping Center (WMC)" name of oversight agency* PRODUCER "Western Mapping Center (WMC)" name of DOQ producer* PRODUCTION_SYSTEM "DV1.2 03/93 OV1.1 04/93" name of the production HW & SW* STANDARD_VERSION 1996 12 version of DOQ standard* METADATA_DATE 1996 7 13 date created or changed, yyyy mm dd* DATA_FILE_SIZE 46432792 data set size in bytes* BYTE_COUNT 6076 header byte count* * * * * * * * * * * * * * * * * * * * * * * * * END_USGS_HEADER *