# Stratification of California 2010

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## Metadata:

- Identification_Information
- Data_Quality_Information
- Spatial_Data_Organization_Information
- Spatial_Reference_Information
- Entity_and_Attribute_Information
- Distribution_Information
- Metadata_Reference_Information

Identification_Information:
  Citation:
    Citation_Information:
      Originator:
        United States Department of Agriculture, National Agricultural Statistics Service, Research and Development Division, Geospatial Information Branch, Area Frame Section
      Publication_Date: 1998
      Title: Stratification of California 2010
      Publication_Information:
        Publication_Place: Fairfax, Virginia
        Publisher:
          U.S. Department of Agriculture, National Agricultural Statistics Service
      Online_Linkage: <http://www.nass.usda.gov/research>
  Description:
    Abstract:
      The United States Department of Agriculture (USDA), National Agricultural Statistics Service (NASS) area sampling frame is a delineation of all parcels of land for the purpose of later sampling the parcels. The area frame is constructed by visually interpreting satellite imagery to divide a state into homogenous land use areas (strata) based on percent cultivated. The strata are typically defined as low, medium or high percent cultivated, non-agricultural land, urban use, agri-urban, or water. The boundaries of the strata usually follow identifiable features such as roads, railroads and waterways. The strata boundaries do not coincide with any political boundaries, with the exception of state boundaries.
    Purpose:
      These data are intended for geographic display and analysis at the state level. The data should be displayed and analyzed at a scale of 1:100,000 or smaller (e.g., 1:250,000, etc.). The strata data are provided "as is". USDA/NASS does not warrant results you may obtain using the strata data.
    Supplemental_Information: N/A
  Time_Period_of_Content:
    Time_Period_Information:
      Single_Date/Time:
        Calendar_Date: 2010
    Currentness_Reference: 2010: Creation and publication date of strata boundaries
  Status:
    Progress: Complete
    Maintenance_and_Update_Frequency: Irregular
  Spatial_Domain:
    Bounding_Coordinates:
      West_Bounding_Coordinate: -87.54
      East_Bounding_Coordinate: -84.80
      North_Bounding_Coordinate: 41.77
      South_Bounding_Coordinate: 37.76
  Keywords:
    Theme:
      Theme_Keyword_Thesaurus:
        National Agricultural Statistics Service, U.S. Department of Agriculture, 1987, Area Frame Design for Agricultural Surveys, Washington, D.C., NASS/USDA.
      Theme_Keyword: Stratification
      Theme_Keyword: Area sampling frame
      Theme_Keyword: Land use classes (strata)
    Place:
      Place_Keyword_Thesaurus:
        U.S. Department of Commerce, 1987, Codes for the Identification of the States, the District of Columbia and the Outlying Areas of The United States, and Associated Areas (Federal Information Processing Standard 5-2): Washington, D.C., National Institute of Standards and Technology.
      Place_Keyword: United States
      Place_Keyword: USA
      Place_Keyword: California
  Access_Constraints: None
  Use_Constraints:
    None. Acknowledgment of the U.S. Department of Agriculture, National Agricultural Statistics Service would be appreciated in products derived from these data.
  Point_of_Contact:
    Contact_Information:
      Contact_Person_Primary:
        Contact_Person: Area Frame Staff
        Contact_Organization: USDA/NASS/RDD/AFS
      Contact_Address:
        Address_Type: mailing address
        Address: 3251 Old Lee Highway, Suite 301
        City: Fairfax
        State_or_Province: VA
        Postal_Code: 22030
      Contact_Voice_Telephone: 703-877-8000
      Contact_Electronic_Mail_Address: HQ_RD_OD@nass.usda.gov
  Data_Set_Credit: Area Frame Section staff
  Native_Data_Set_Environment: Environmental Systems Research Institute ArcGIS 9.3.1 Shapefile

Data_Quality_Information:
  Logical_Consistency_Report:
    Checks for topological consistency were performed on this data set.
  Completeness_Report:
    There are no known gaps or missing data. This data set includes the area in square miles and number of acres for each strata. Boundaries may not be coincident with strata boundaries of adjacent states.
  Positional_Accuracy:
    Horizontal_Positional_Accuracy:
      Horizontal_Positional_Accuracy_Report:
        The sources used for digitizing strata boundaries are 1:100,000 scale Digital Raster Graphics
      Quantitative_Horizontal_Positional_Accuracy_Assessment:
        Horizontal_Positional_Accuracy_Value: 5.0
        Horizontal_Positional_Accuracy_Explanation: N/A
  Lineage:
    Source_Information:
      Source_Citation:
        Citation_Information:
          Originator: U.S. Geologic Survey (USGS)
          Publication_Date: 1984 - 1987
          Title: USGS Topographic Quadrangles
          Publication_Information:
            Publication_Place: Reston, VA
            Publisher: U.S. Geologic Survey
      Source_Scale_Denominator: 100000
      Type_of_Source_Media: Paper
      Source_Time_Period_of_Content:
        Time_Period_Information:
          Range_of_Dates/Times:
            Beginning_Date: 1963
            Ending_Date: 1986
        Source_Currentness_Reference: publication date
      Source_Citation_Abbreviation: TopoQuad100
      Source_Contribution: attribute information
    Source_Information:
      Source_Citation:
        Citation_Information:
          Originator: U.S. Bureau of the Census
          Publication_Date: 2000
          Title: TIGER digital vector files
          Publication_Information:
            Publication_Place: Redlands, CA
            Publisher: Environmental Systems Research Institute, Inc.
      Type_of_Source_Media: online
      Source_Time_Period_of_Content:
        Time_Period_Information:
          Single_Date/Time:
            Calendar_Date: 2000
        Source_Currentness_Reference: publication date
      Source_Citation_Abbreviation: TIGER
      Source_Contribution: spatial and attribute information
    Source_Information:
      Source_Citation:
        Citation_Information:
          Originator: Titan Systems Corporation
          Publication_Date: 2000
          Title: Sure! maps
          Publication_Information:
            Publication_Place: San Diego, California
            Publisher: Titan Systems
      Source_Scale_Denominator: 100000
      Type_of_Source_Media: digital
      Source_Time_Period_of_Content:
        Time_Period_Information:
          Range_of_Dates/Times:
            Beginning_Date: 1998
            Ending_Date: 2000
        Source_Currentness_Reference: publication date
      Source_Citation_Abbreviation: SureMaps
      Source_Contribution: spatial and attribute information
    Source_Information:
      Source_Citation:
        Citation_Information:
          Originator: United States Geological Survey
          Publication_Date: 1997
          Title: Landsat TM 5 Imagery
          Publication_Information:
            Publication_Place: Reston VA
            Publisher: USGS
      Type_of_Source_Media: CD
      Source_Time_Period_of_Content:
        Time_Period_Information:
          Single_Date/Time:
            Calendar_Date: 1997
        Source_Currentness_Reference: 1997
      Source_Citation_Abbreviation: Landsat 5
      Source_Contribution: spatial and attribute information
    Source_Information:
      Source_Citation:
        Citation_Information:
          Originator: DeLorme
          Publication_Date: 1996
          Title: Texas Atlas and Gazetteer
          Publication_Information:
            Publication_Place: Yarmouth, Maine
            Publisher: Delorme
      Type_of_Source_Media: Paper
      Source_Time_Period_of_Content:
        Time_Period_Information:
          Single_Date/Time:
            Calendar_Date: 1996
        Source_Currentness_Reference: 1996
      Source_Citation_Abbreviation: Delorme Atlas
      Source_Contribution: spatial and attribute information
    Process_Step:
      Process_Description:
        The area sampling frame for Indiana was constructed for use in 1989 and was based on USGS 1:100,000 scale topographic maps, 1:250,000 scale digital Landsat imagery, and 1:100,000 suremaps. The boundaries were modified in 2004 to conform to USGS 1:100,000 scale topographic digital raster graphics and digital line graph files. Individual county files were merged into single state file. The coordinates for the strata polygons are unprojected to geographic latitude and longitude (decimal degrees). The spatial data file format is Environmental Systems Research Institute's ArcView shapefile format. The shapefile was checked and edited for topology in 2004. Gaps and overlaps were corrected within and ESRI personal geodatabase.
      Source_Used_Citation_Abbreviation: TopoQuad100
      Source_Used_Citation_Abbreviation: Landsat 5
      Source_Used_Citation_Abbreviation: TIGER
      Source_Used_Citation_Abbreviation: Suremaps
      Source_Used_Citation_Abbreviation: DeLorme_Atlas
      Source_Used_Citation_Abbreviation: State Ag Stats
      Process_Date: 1998

Spatial_Data_Organization_Information:
  Indirect_Spatial_Reference:
    U.S. Department of Commerce, 1990, Counties and Equivalent Entities of The United States, Its Possessions, and Associated Areas (Federal Information Processing Standard 6-4): Washington, D.C. National Institute of Standards and Technology.
  Direct_Spatial_Reference_Method: Vector
  Point_and_Vector_Object_Information:
    SDTS_Terms_Description:
      SDTS_Point_and_Vector_Object_Type: G-Polygon
      Point_and_Vector_Object_Count: 7876

Spatial_Reference_Information:
  Horizontal_Coordinate_System_Definition:
    Planar:
      Grid_Coordinate_System:
        Grid_Coordinate_System_Name: Universal Transverse Mercator
        Universal_Transverse_Mercator:
          UTM_Zone_Number: 14
          Transverse_Mercator:
            Scale_Factor_at_Central_Meridian: 0.9996
            Longitude_of_Central_Meridian: -99.00
            Latitude_of_Projection_Origin: 0.0
            False_Easting: 500000.00
            False_Northing: 0.0
      Planar_Coordinate_Information:
        Planar_Coordinate_Encoding_Method: row and column
        Coordinate_Representation:
          Abscissa_Resolution: 0.000100
          Ordinate_Resolution: 0.000100
        Planar_Distance_Units: meters
    Geodetic_Model:
      Horizontal_Datum_Name: North American Datum of 1983
      Ellipsoid_Name: Geodetic Reference 80
      Semi-major_Axis: 6378137.00
      Denominator_of_Flattening_Ratio: 298.257

Entity_and_Attribute_Information:
  Detailed_Description:
    Entity_Type:
      Entity_Type_Label: Land Use Strata
      Entity_Type_Definition: Homogeneous land use area based on percent cultivated
      Entity_Type_Definition_Source:
        U.S. Department of Agriculture, National Agricultural Statistics Service
    Attribute:
      Attribute_Label: Strata
      Attribute_Definition: Land use category based on percent cultivated
      Attribute_Definition_Source:
        U.S. Department of Agriculture, National Agricultural Statistics Service
      Attribute_Domain_Values:
        Enumerated_Domain:
          Enumerated_Domain_Value: 13
          Enumerated_Domain_Value_Definition:

                 50% cultivated, (cultivated categories consist of land used for

            crops, the remaining portion of land in the cultivated strata may include pasture, woods, waste, rangeland, etc.)
          Enumerated_Domain_Value_Definition_Source:
            "2008 Area Frame Design Information, Implementation Years of Current NASS Area Frames", NASS Area Frame Section, March 2008.
        Enumerated_Domain:
          Enumerated_Domain_Value: 20
          Enumerated_Domain_Value_Definition:
            15-50% cultivated, (cultivated categories consist of land used for crops, the remaining portion of land in the cultivated strata may include pasture, woods, waste, rangeland, etc.)
          Enumerated_Domain_Value_Definition_Source:
            "2008 Area Frame Design Information, Implementation Years of Current NASS Area Frames", NASS Area Frame Section, March 2008.
        Enumerated_Domain:
          Enumerated_Domain_Value: 31
          Enumerated_Domain_Value_Definition: Agri-Urban: >100 Home/Square Mile
          Enumerated_Domain_Value_Definition_Source:
            "2008 Area Frame Design Information, Implementation Years of Current NASS Area Frames", NASS Area Frame Section, March 2008.
        Enumerated_Domain:
          Enumerated_Domain_Value: 32
          Enumerated_Domain_Value_Definition: Commercial: >100 Home/Square Mile
          Enumerated_Domain_Value_Definition_Source:
            "2008 Area Frame Design Information, Implementation Years of Current NASS Area Frames", NASS Area Frame Section, March 2008.
        Enumerated_Domain:
          Enumerated_Domain_Value: 40
          Enumerated_Domain_Value_Definition: <15% Cultivated
          Enumerated_Domain_Value_Definition_Source:
            "2008 Area Frame Design Information, Implementation Years of Current NASS Area Frames", NASS Area Frame Section, March 2008.
        Enumerated_Domain:
          Enumerated_Domain_Value: 50
          Enumerated_Domain_Value_Definition: Non-Agricultural
          Enumerated_Domain_Value_Definition_Source:
            "2008 Area Frame Design Information, Implementation Years of Current NASS Area Frames", NASS Area Frame Section, March 2008.
    Attribute:
      Attribute_Label: Sum_area
      Attribute_Definition: The stratum area in square miles.
      Attribute_Definition_Source:
        U.S. Department of Agriculture, National Agricultural Statistics Service
      Attribute_Domain_Values:
        Range_Domain:
          Range_Domain_Minimum: 1843.63 (actual value, not range)
          Range_Domain_Maximum: 143542.32 (actual value, not range)
    Attribute:
      Attribute_Label: Sum_acres
      Attribute_Definition: The amount of acres in a stratum.
      Attribute_Definition_Source:
        U.S. Department of Agriculture, National Agricultural Statistics Service
      Attribute_Domain_Values:
        Range_Domain:
          Range_Domain_Minimum: 496349.55 (actual value, not range)
          Range_Domain_Maximum: 91867082.76 (actual value, not range)

Distribution_Information:
  Distributor:
    Contact_Information:
      Contact_Organization_Primary:
        Contact_Organization: USDA/NASS/RDD/GIB/AFS
      Contact_Address:
        Address_Type: mailing address
        Address: 3251 Old Lee Highway, Suite 301
        City: Fairfax
        State_or_Province: VA
        Postal_Code: 22030
      Contact_Voice_Telephone: 703-877-8000
      Contact_Instructions: N/A
  Distribution_Liability:
    Users of the strata data are solely responsible for interpretations made from the product. The strata data are provided "as is". USDA/NASS does not warrant results you may obtain by using the strata data. Feel free to contact our staff at (HQ_RD_OD@nass.usda.gov) if technical questions arise in the use of the strata data.
  Standard_Order_Process:
    Digital_Form:
      Digital_Transfer_Information:
        Format_Name: ESRI Shapefile
      Digital_Transfer_Option:
        Online_Option:
          Computer_Contact_Information:
            Network_Address:
              Network_Resource_Name: <http://www.nass.usda.gov/research>
    Fees: There is no charge for the online option.
    Ordering_Instructions: N/A

Metadata_Reference_Information:
  Metadata_Date: 20080418
  Metadata_Contact:
    Contact_Information:
      Contact_Person_Primary:
        Contact_Person: Matthew Deaton
        Contact_Organization: USDA/NASS/RDD/GIB/AFS
      Contact_Address:
        Address_Type: mailing address
        Address: 3251 Old Lee Highway, Suite 301
        City: Fairfax
        State_or_Province: VA
        Postal_Code: 22030
      Contact_Voice_Telephone: 703-877-8000 x151
      Contact_Electronic_Mail_Address: HQ_RD_OD@nass.usda.gov
  Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata
  Metadata_Standard_Version: FGDC-STD-001-1998
  Metadata_Security_Information:
    Metadata_Security_Classification_System: None
    Metadata_Security_Classification: Unclassified
    Metadata_Security_Handling_Description: None

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