## Montana State Library
GIS Data Dictionary
Metadata for Index to Greater Yellowstone Area 1:24,000 scale DLG data
Table of Contents

Identification Information
Data Quality Information
Spatial Data Organization Information
Spatial Reference Information
Entity and Attribute Information
Distribution Information
Metadata Reference Information

### Browse Graphic

### Identification_Information:

      Citation
        Originator:        Montana State Library
        Publication_Date:  01/30/2002
        Title:             Index to Greater Yellowstone Area 1:24,000 scale DLG data
        Online_Linkage:  http://nris.state.mt.us/nsdi/nris/e00/dlgcf1.zip
        Online_Linkage:  http://nris.state.mt.us/nsdi/nris/shape/dlgcf1.zip
      Description
        Abstract:
            Dates and names of 1:24,000 scale DLG quadrangles of the
            Greater Yellowstone Area available at the State Library
        Purpose:
            Data index.
      Native_Data_Set_Environment:
          Arc/Info coverage or ESRI shapefile

### Data_Quality_Information:

      Attribute_Accuracy_Report:
            Attributes have been checked against information in the
            DLG file headers.
      Lineage
        Source_Information
          Originator:  National Mapping Division
                       U.S. Geological Survey
          Publication_Date:  2001
          Title:  1:24,000-scale Digital Line Graphs
          Publication_Information
            Publication_Place:  Reston, VA
            Publisher:  U.S. Geological Survey
          Source_Scale_Denominator:  24000
          Type_of_Source_Media:  electronic files
          Source_Contribution:
              All attributes were extracted from the headers of the
              DLG files.
      Process_Step
        Process_Description:
          Create quadrangle boundary coverage from geographic
          coordinates.  Transfer quadrangle names and dates from
          DLG file headers to quadrangle polygon attribute table.
        Process_Date:  01/30/2002

### Spatial_Data_Organization_Information:

      Direct_Spatial_Reference_Method:  Vector
      Point_and_Vector_Object_Information
        Number of Arcs:  673
        Number of Polygons:  299
        Number of Polygon Labels:  297

### Spatial_Reference_Information:

      Horizontal_Coordinate_System_Definition
        Grid_Coordinate_System_Name:  State Plane Coordinate System 1983
          SPCS_Zone_Identifier:  2500
          Map_Projection_Name:  Lambert Conformal Conic
          Standard_Parallel:  45
          Standard_Parallel:  49
          Longitude_of_Central_Meridian:  -109.5
          Latitude_of_Projection_Origin:  44.25
          False_Easting:   600000
          False_Northing:  0
        Planar_Distance_Units:  meters
        Geodetic_Model
          Horizontal_Datum_Name:  North American Datum of 1983
        Altitude_Encoding_Method:  Implicit coordinate

### Entity_and_Attribute_Information:

      Entity_Type_Definition:  Polygon Attribute Table
        Attribute_Label:  NAME
          Attribute_Definition:  Quadrangle Name
        Attribute_Label:  NAMEBREAK
          Attribute_Definition:
            Quadrangle Name, with a backslash inserted for line breaks
        Attribute_Label:  CODE
          Attribute_Definition:
            Quandrangle lat-lon-row-column code.  For example, 4711023
            designates a quadrangle that is in the second row north and
            third column east of the intersection of the 47th parallel and
            110th meridian.
        Attribute_Label:  HYDR
          Attribute_Definition:  Dates of the DLG Hydrography category
        Attribute_Label:  DTUM_HYDR
          Attribute_Definition:  Datum of the DLG Hydrography file
        Attribute_Label:  TRANS
          Attribute_Definition:  Dates of the DLG Misc Trans category
        Attribute_Label:  DTUM_TRANS
          Attribute_Definition:  Datum of the DLG Misc Trans file
        Attribute_Label:  ROAD
          Attribute_Definition:  Dates of the DLG Roads and Trais category
        Attribute_Label:  DTUM_ROAD
          Attribute_Definition:  Datum of the DLG Roads and Trais file
        Attribute_Label:  RAIL
          Attribute_Definition:  Dates of the DLG Railroad category
        Attribute_Label:  DTUM_RAIL
          Attribute_Definition:  Datum of the DLG Railroad file

### Distribution_Information:

### Metadata_Reference_Information:

      Metadata_Date:  01/31/2002
      Metadata_Contact:  Gerry Daumiller