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Attachment A <br />Consulting with the OGC specifications and standards is highly recommended for <br />grantees interested in open, interoperable solutions; especially those involving <br />publishing geospatial data and resources as a service. Many of the specifications, <br />documents, and guidance provided here have been adopted as industry standard. <br />Others are fairly new and not mature. It is encouraged to comply with these consensual <br />guidance and standards wherever relevant to specific projects and objectives. <br />U.S Army Corps of Engineers CADD/GIS technology Center Spatial Data <br />Standards- (http://tsc.wes.army.millproducts/TSSDS-TSFMS/tssds/html/) <br />The Spatial Data Standard for Facilities, Infrastructure, and Environment (SDSFIE) have <br />focused on the development of graphic and non -graphic standards for GIS <br />implementations at Air Force, Army, Navy, and Marine Corps installations, U.S. Army <br />Corps of Engineers Civil Works activities, and other Government organizations. <br />The SDSFIE provides a standardized grouping of geographically referenced (i.e., <br />geospatial) features (i.e., real-world features or objects depicted graphically on a map at <br />their real-world location (i.e., coordinates). Each geospatial feature has an "attached" <br />attribute table containing pertinent data about the geospatial feature. <br />The National Map- (http://nationalmap.gov/) <br />The U.S. Geological Survey (USGS) holds responsibility for maintaining nationally <br />consistent foundation data layers that will support the DHS GEA. These data layers <br />include: <br />• High-resolution digital orthorectified imagery from aerial photographs or satellite <br />imagery <br />• High resolution surface elevation data to derive contours and digital terrain <br />models <br />• Vector feature data for hydrography (linear and open water bodies), <br />transportation (roads, railway, and waterways), manmade structures, and <br />boundaries <br />• Land Use Land Cover that classifies land surface types <br />• Geographic names of physical and cultural features (to support U.S. Board of <br />Geographic Names) <br />Through partnerships that include cooperative arrangements for exchange of data, <br />standards development, database development, web mapping services and <br />applications, training, and technology exchange, the USGS has established a network <br />of National Geospatial Partnership Offices and State Liaison positions across the nation <br />(http•//nationalmap.usgs.clov/partnerships.html). <br />I-4 <br />