Identification_Information:
  Citation:
    Citation_Information:
      Originator: Terri Arnold
      Publication_Date: Unpublished Material
      Title: File geodatabase (ArcGIS 9.2) of layers used to map the hydrochemical regions of the glacial aquifer system
      Geospatial_Data_Presentation_Form: Fgdb raster digital data
      Series_Information:
      Publication_Information: not published
      Online_Linkage: none
      Larger_Work_Citation:
        Citation_Information:
          Publication_Date: 2008
          Title: From SIR2008-5015, Hydrochemical regions of the glacial aquifer system and their environmental and water quality characteristics
          Series_Information:
            Series_Name: USGS SIR
            Issue_Identification: 2008-5015
  Description:
    Abstract: This file geodatabase contains the layers used to map hydrochemical regions of the glacial aquifer system.
    Purpose: This data set was created for SIR2008-5015 to map hydrochemical regions of the glacial aquifer system.
  Time_Period_of_Content:
    Time_Period_Information:
      Single_Date/Time:
        Calendar_Date: 2008
        Time_of_Day: unknown
    Currentness_Reference: as of dataset creation
  Status:
    Progress: Complete
    Maintenance_and_Update_Frequency: None planned
  Spatial_Domain:
    Bounding_Coordinates:
      West_Bounding_Coordinate: -142.169385
      East_Bounding_Coordinate: -52.098856
      North_Bounding_Coordinate: 55.424004
      South_Bounding_Coordinate: 17.378117
  Keywords:
    Theme:
      Theme_Keyword_Thesaurus: none
      Theme_Keyword: geodatabase
      Theme_Keyword: hydrochemical regions
      Theme_Keyword: glacial aquifer
    Place:
      Place_Keyword: United States
  Access_Constraints: For internal use only.
  Use_Constraints: For internal use only.
  Point_of_Contact:
    Contact_Information:
      Contact_Person_Primary:
        Contact_Person: Terri Arnold
        Contact_Organization: US Geological Survey
      Contact_Position: Cartographer/GIS Specialist
      Contact_Voice_Telephone: 217-328-9702
      Contact_Facsimile_Telephone: 217-344-0082
      Contact_Electronic_Mail_Address: tlarnold@usgs.gov
  Data_Set_Credit: The data set was extracted from http://water.usgs.gov/nawqa-only/gis/data/muid100.tgz
  Native_Data_Set_Environment: Microsoft Windows XP Version 5.1 (Build 2600) Service Pack 2; ESRI ArcCatalog 9.2.4.1420
Data_Quality_Information:
Spatial_Reference_Information:
  Horizontal_Coordinate_System_Definition:
    Planar:
      Map_Projection:
        Map_Projection_Name: Albers Conical Equal Area
        Albers_Conical_Equal_Area:
          Standard_Parallel: 29.500000
          Standard_Parallel: 45.500000
          Longitude_of_Central_Meridian: -96.000000
          Latitude_of_Projection_Origin: 23.000000
          False_Easting: 0.000000
          False_Northing: 0.000000
      Planar_Coordinate_Information:
        Planar_Coordinate_Encoding_Method: row and column
        Coordinate_Representation:
          Abscissa_Resolution: 500.000000
          Ordinate_Resolution: 500.000000
        Planar_Distance_Units: meters
    Geodetic_Model:
      Horizontal_Datum_Name: North American Datum of 1983
      Ellipsoid_Name: Geodetic Reference System 80
      Semi-major_Axis: 6378137.000000
      Denominator_of_Flattening_Ratio: 298.257222
Entity_and_Attribute_Information:
  Detailed_Description:
    Entity_Type:
      Entity_Type_Label: layers of the geodatabase
      Entity_Type_Definition: vector and raster formats
    Layer_Information:
      Layer_name: clay
      Layer_Description: Percent clay in soil
    Layer_Information:
      Layer_name: clusters
      Layer_Description: clusters -- clustered wells with similar water quality conditions
    Layer_Information:
      Layer_name: glacbnd
      Layer_Description: Approximate boundary of the glacial aquifer system
    Layer_Information:
      Layer_name: glacbuf
      Layer_Description: Buffer area around United States portion of the glaical aquifer system
    Layer_Information:
      Layer_name: MLClassos0208
      Layer_Description: Hydrochemical regions of the glacial aquifer system -- Maximum Likelihod Classification
    Layer_Information:
      Layer_name: MLConf0208
      Layer_Description: Confidence of maximum likelihood classification results
    Layer_Information:
      Layer_name: nlcde
      Layer_Description: Land cover from nlcde (Revised 2-2006 30-m version)
    Layer_Information:
      Layer_name: perg
      Layer_Description:  Vertical soil permeability, in inches per hour
    Layer_Information:
      Layer_name: precip
      Layer_Description: Average annual precipitation (1980-1997)
    Layer_Information:
      Layer_name: recharge
      Layer_Description: 
    Layer_Information: Estimated annual natural ground-water recharge
      Layer_name: slope
      Layer_Description: Land surface slope, in percent
    Layer_Information:
      Layer_name: surfdep
      Layer_Description: Type of surficial deposits
    Layer_Information:
      Layer_name: surftxt
      Layer_Description: Texture of surficial deposits
    Layer_Information:
      Layer_name: temperature
      Layer_Description: Average annual temperature (1980-1997
Distribution_Information:
  Resource_Description: By Request to Terri Arnold (tlarnold@usgs.gov)
Metadata_Reference_Information:
  Metadata_Date: 20080904
  Metadata_Contact:
    Contact_Information:
      Contact_Person_Primary:
        Contact_Person: Terri Arnold
        Contact_Organization: USGS
      Contact_Position: GIS Specialist
      Contact_Address:
        Address_Type: mailing and physical address
        Address: 1201 W University Ave, Suite 100
        City: Urbana
        State_or_Province: IL
        Postal_Code: 61801
        Country: USA
      Contact_Voice_Telephone: 217-328-9702
      Contact_Electronic_Mail_Address: tlarnold@usgs.gov
  Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata
  Metadata_Standard_Version: FGDC-STD-001-1998
  Metadata_Time_Convention: local time
  Metadata_Extensions:
    Online_Linkage: http://www.esri.com/metadata/esriprof80.html
    Profile_Name: ESRI Metadata Profile
