Identification_Information:
  Citation:
    Citation_Information:
      Originator: USDA/NRCS - National Geospatial Center of Excellence
      Title: USDA-NRCS-NCGC Digital Raster Graphic MrSID Mosaic
  Description:
    Purpose: The Enhanced DRG is useful as a source or background layer in a GIS, as a means to perform quality assurance on other digital products, and as a source for the collection and revision of vector data.
  Time_Period_of_Content:
    Time_Period_Information:
      Single_Date/Time:
        Calendar_Date: 1939 - 2001
  Status:
    Progress: Complete
  Spatial_Domain:
    Bounding_Coordinates:
      West_Bounding_Coordinate: -83.79431
      East_Bounding_Coordinate: -83.25069
      North_Bounding_Coordinate: 36.0432
      South_Bounding_Coordinate: 35.56268
  Keywords:
    Theme:
      Theme_Keyword_Thesaurus: Standard for Geospatial Dataset File Naming
      Theme_Keyword: Digital Raster Graphic, DRG
    Place:
      Place_Keyword_Thesaurus: GNIS
      Place_Keyword: Tennessee
      Place_Keyword: Sevier
  Use_Constraints:

    The U.S. Department of Agriculture, Service Center Agencies should be acknowledged as the data source in products derived from these data.

    This data set is not designed for use as a primary regulatory tool in permitting or citing decisions, but may be used as a reference source.  This information may be interpreted by organizations, agencies, units of government, or others based on needs; however, they are responsible for the appropriate application.  Federal, State, or local regulatory bodies are not to reassign to the Service Center Agencies any authority for the decisions that they make.  The Service Center Agencies will not perform any evaluations of these data for purposes related solely to State or local regulatory programs.

    Photographic or digital enlargement of these data to scales greater than at which they were originally mapped can cause misinterpretation of the data.  Digital data files are periodically updated, and users are responsible for obtaining the latest version of the data.
  Point_of_Contact:
    Contact_Information:
      Contact_Organization_Primary:
        Contact_Organization: National Geospatial Center of Excellence
      Contact_Address:
        Address: 501 W. Felix St, Bldg 23
        City: Fort Worth
        State_or_Province: Texas
        Postal_Code: 76115
Data_Quality_Information:
  Lineage:
    Source_Information:
      Source_Citation:
        Citation_Information:
          Originator:
            USDA-NRCS-NCGC
          Publication_Date: 1999 - Present
          Title: Digital Raster Graphic Mosaic
      Source_Scale_Denominator: 24,000
    Process_Step:
      Process_Description: Enhanced DRGs for the county are merged then Lizard Tech ECW compression is performed to produce the county mosaic.  The Enhanced DRGs mosaicked and compressed by using LizardTech MrSID software at a roughly 1:20 ratio.
      Process_Date: 1999 - Present
Spatial_Reference_Information:
  Horizontal_Coordinate_System_Definition:
    Planar:
      Grid_Coordinate_System:
        Grid_Coordinate_System_Name: Universal Transverse Mercator
        Universal_Transverse_Mercator:
          UTM_Zone_Number: 17
          Transverse_Mercator:
            Scale_Factor_at_Central_Meridian: 0.9996
            Longitude_of_Central_Meridian: -81
            Latitude_of_Projection_Origin: 0.0
            False_Easting: 500000.0
            False_Northing: 0.0
    Geodetic_Model:
      Horizontal_Datum_Name: North American Datum of 1983 (NAD83)
      Ellipsoid_Name: GRS1980
      Semi-major_Axis: 6378137.0
      Denominator_of_Flattening_Ratio: 298.257222101
Entity_and_Attribute_Information:
  Overview_Description:
    Entity_and_Attribute_Overview:
      DRG mosaics are generated using software such as LizardTech MrSID software.  The resulting mosaic is a three-band image referencing the original color index ranging from 0 to 12 to RGB values ranging from 0 to 255.
    Entity_and_Attribute_Detail_Citation: Detailed information about the digital raster graphics is available at http://mcmcweb.er.usgs.gov/drg/drg_technical.html.  In addition to the general information, the site provides standards and specifications for the imagery.
Distribution_Information:
  Distribution_Liability:

    Although these data have been processed successfully on a computer system at the U.S. Department of Agriculture, no warranty expressed or implied is made by the Service Center Agencies regarding the utility of the data on any other system, nor shall the act of distribution constitute any such warranty.  The U.S. Department of Agriculture will warrant the delivery of this product in computer readable format, and will offer appropriate adjustment of credit when the product is determined unreadable by correctly adjusted computer input peripherals, or when the physical medium is delivered in damaged condition.  Request for adjustment of credit must be made within 90 days from the date of this shipment from the ordering site.

    Neither the U.S. Department of Agriculture, nor any of its agencies are liable for misuse of the data, for damage, for transmission of viruses, or for computer contamination through the distribution of these data sets.  The U.S. Department of Agriculture prohibits discrimination in all its programs and activities on the basis of race, color, national origin, sex, religion, age, disability, political beliefs, sexual orientation, or marital or family status. (Not all prohibited bases apply to all programs.)
  Standard_Order_Process:
    Digital_Form:
      Digital_Transfer_Information:
        Format_Name: MrSID
Metadata_Reference_Information:
  Metadata_Date: 12/09/2016
  Metadata_Standard_Name: SCI Minimum Compliance Metadata
  Metadata_Standard_Version: SCI Std 003-02