This is a subset of the original dataset. It has been clipped to the extent of the Gulf of Maine surficial sediment GIS project extent.
National Atlas of the United States and the United States Geological Survey, Environmental Systems Research , Inc. (ESRI), and Paskevich, Valerie, 20020401, URBAN_DTL: U.S. National Atlas Urbanized Areas for the Gulf of Main surficial sediment GIS project area.: ESRI Data & Maps 2002, Environmental Systems Research Institute, Inc. (ESRI), Redlands, California, USA.Online Links:
- <http://pubs.usgs.gov/of/2003/of03-001/data/basemaps/usa/urban/urban-dtl.zip>
- <http://pubs.usgs.gov/of/2003/of03-001/data/basemaps/usa/urban/urban-dtl.zip>
Poppe, L.J., Paskevich, V.F., Williams, S.J., Hastings, M.E., Kelley, J.T., Belknap, D.F., Ward, L.G., FitzGerald, D.M., and Larsen, P.F., 2002, Surficial Sediment Data from the Gulf of Maine, Georges Bank, and vicinity: a GIS Compilation: Open-File report 03-001, U.S. Geological Survey, Coastal and Marine Geology Program, Woods Hole Field Center, Woods Hole, MA.Online Links:
This is a Vector data set. It contains the following vector data types (SDTS terminology):
Horizontal positions are specified in geographic coordinates, that is, latitude and longitude. Latitudes are given to the nearest 0.000000. Longitudes are given to the nearest 0.000000. Latitude and longitude values are specified in Decimal degrees.
The horizontal datum used is North American Datum of 1983.
The ellipsoid used is Geodetic Reference System 80.
The semi-major axis of the ellipsoid used is 6378137.000000.
The flattening of the ellipsoid used is 1/298.257222.
Sequential unique whole numbers that are automatically generated.
Coordinates defining the features.
Names for the features.
| Formal codeset | |
|---|---|
| Codeset Name: | Federal Information Processing Standards 5–2 |
| Codeset Source: | National Institute of Standards and Technology |
| Formal codeset | |
|---|---|
| Codeset Name: | Federal Information Processing Standards |
| Codeset Source: | National Institute of Standards and Technology |
| Value | Definition |
|---|---|
| -999 or 0 | The population is unknown. |
Please review the cross reference information for the original data set credit.
U.S. Geological Survey
c/o Valerie Paskevich
Information Specialist
384 Woods Hole Road
Woods Hole, MA 02543-1598
USA
(508) 548-8700 x2281 (voice)
(508) 457-2310 (FAX)
vpaskevich@usgs.gov
U.S. National Atlas Urbanized Areas provides information about the locations, names, and populations of urbanized areas for conducting geographic analysis on national and large regional scales.
National Atlas of the United States and the United States Geological Survey, 1998, nationalatlas.gov™ –Urban Areas:, United States Geological Survey, Reston, Virginia, USA.Online Links:
The state in which the urban area is located was also added. Several areas were modified to conform to the 1:2,000,000-scale hydrography layer. Some smaller polygons that represent undeveloped areas within the urban area were removed and merged with the larger urban area. Military reservations were removed.
Revisions: 1) 6/29/98 - Corrected ellipsoid name from WGS84 to GRS1980 and changed flattening ratio. 2) 11/13/98 - Added State FIPS attribute; moved polygons for Altus, OK and Olustee, OK; and edited State attribute for Kansas City and Washington metro area.
Data sources produced in this process:
Data sources used in this process:
The geospatial part of this data set was originally extracted from the Digital Chart of the World at 1:1,000,000-scale with some geospatial data from a USGS 1:2,000,000-scale hydrography layer. It was updated several times using various sources whose horizontal positional accuracies are unknown.
After processing, the data set is checked for drawing display and number of records and file sizes compared with source materials.
This is a subset of the original dataset and has been clipped to the extent of the Gulf of Maine surficial sediment GIS project extent.
No duplicate features are present. The shapefile is exported using Avenue request ExportClean. This request verifies and enforces the correctness of shapes.
Are there legal restrictions on access or use of the data?
- Access_Constraints: Access granted to Licensee only.
- Use_Constraints:
- The data are provided by multiple, third party data vendors under license to ESRI for inclusion on ESRI Data & Maps CD-ROMs for use with ESRI® software. Each data vendor has its own data licensing policies and may grant varying redistribution rights to end users. Please consult the redistribution rights below for this data set provided on ESRI Data & Maps CD-ROMs. As used herein, "Geodata" shall mean any digital data set consisting of geographic data coordinates and associated attributes.
The redistribution rights for this data set: Public domain data from U.S. government is freely redistributable with proper metadata and source attribution.
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In the event that the data vendor(s) has (have) granted the end user permission to redistribute the Geodata, please use proper proprietary or copyright attribution for the various data vendor(s), and provide the associated metadata file(s) with the Geodata. In compliance with FGDC metadata standards, ESRI has attempted to practice proper metadata methodologies by providing any data source information, descriptions, and file names to assist in this effort.
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Offline Data
See use constraints.
| Data format: | SHP The SHP file contains the geospatial data. The SHX file contains the index of the geospatial data. The DBF file contains the attribute data in dBASE format. The PRJ file contains the coordinate system information (optional). The AVL file contains the legend information (optional). The SBN and SBX files contain the spatial index of the geospatial data (optional). The XML file contains the metadata describing the data set <data set name>.shp.xml (optional). Size: 0.715 |
|---|---|
| Media you can order: |
ESRI Data & Maps 2002 CD–ROM Set is available only as part of ESRI® software.
(Density 650
MB (megabytes))
(format ISO 9660)
|
To use this data requires software that supports ArcView® GIS shapefiles.
U.S. Geological Survey
c/o Valerie Paskevich
Information Specialist
384 Woods Hole Road
Woods Hole, MA 02543-1598
USA
(508) 548-8700 x2281 (voice)
(508) 457-2310 (FAX)
vpaskevich@usgs.gov
Regional Mapping of Surficial Sediments: Gulf of Maine and Georges Bank, Aggregates and Habitats Projects, urban_dtl.shp
Although this data set has been used by the U.S. Geological Survey, no warranty, expressed or implied, is made by the USGS as to the accuracy of the data and/or related materials. The act of distribution shall not constitute any such warranty, and no responsibility is assumed by the USGS in the use of these data or related materials.
| Data format: | Three files (urban_dtl.shp, urban_dtl.dbf, urban_dtl.shx) comprising the ArcView polygon shapefile components, 'prj' and 'avl' files, metadata text file and browse graphic. in format ArcView Shapefile (version 3.2) ESRI polygon shapefile Size: 0.715 |
|---|---|
| Media you can order: |
CD-ROM
(Density 650
MB (megabytes))
(format ISO 9660)
Note: The user must have a computer system with a CD-ROM available. To browse the information contained on this CD-ROM, the user must have a current WWW browser available. The user must also have software installed on their computer to unzip the archived file.
|
The data is available in ArcView shapefile format. The user must have ArcView 3.0 or greater software to read and process the data file. In lieu of ArcView, the user may utilize another GIS application package capable of importing data.
U.S. Geological Survey
c/o Valerie Paskevich
Information Specialist
384 Woods Hole Road
Woods Hole, MA 02543-1598
USA
(508) 548-8700 x2281 (voice)
(508) 457-2310 (FAX)
vpaskevich@usgs.gov
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