Identification_Information:
  Citation:
    Citation_Information:
      Originator: Robert C. Bucknam
      Originator: Jeffrey A. Coe
      Originator: Manuel Antonio Mota
      Publication_Date: 2001
      Title: ols22622
      Geospatial_Data_Presentation_Form: vector digital data
      Series_Information:
      Publication_Information:
      Online_Linkage: http://greenwood.cr.usgs.gov/pub/open-file-reports/ofr-01-0443/
      Larger_Work_Citation:
        Citation_Information:
          Originator: Robert C. Bucknam
          Originator: Jeffrey A. Coe
          Originator: Manuel Antonio Mota
          Originator: Jonathan W. Godt
          Originator: Arthur C. Tarr
          Originator: Lee-Ann Bradley
          Originator: Sharon Rafferty
          Originator: Dean Hancock
          Originator: Richard L. Dart
          Originator: Margo L. Johnson
          Publication_Date: 2001
          Title: Landslides Triggered by Hurricane Mitch in Guatemala - Inventory and Discussion
          Series_Information:
            Series_Name: U.S. Geologcial Survey Open-File Report
            Issue_Identification: 01-0443
          Publication_Information:
            Publication_Place: Denver, Colorado
            Publisher: U.S. Geological Survey
          Online_Linkage: http://greenwood.cr.usgs.gov/pub/open-file-reports/ofr-01-0443/
  Description:
    Abstract: This cover contains the outlines of recent landslides formed prior to Hurricane Mitch in October - November 1998.  Jeffrey Coe and Robert Bucknam mapped the landslides.  Most landslides were mapped using 1:40,000-scale aerial photographs and a Kern PG-2 photogrammetric plotter at 4X and 8X magnifications.  The photographs were scaled and oriented to the topographic base map using prominent topographic landmarks and plotted on a transparent polyester overlay registered to the topographic base maps at scales of 1:50,000 or 1:25,000.  In areas where landslides were very sparse, the aerial photographs were scanned with a mirror stereoscope at 4X magnification, and landslide locations were transferred to base maps by inspection.  The mapped landslides were digitized manually or by an optical scanner, and the data were then digitally registered to a digital version of the base map in ArcInfo.
    Purpose: The cover shows the distribution of recent landslides formed prior to Hurricane Mitch in one of twenty 1:50,000-scale maps within a large study area adjacent to the Motagua and Polochic Rivers.  When combined, the maps provide a detailed inventory of landslides over a large geographic area (~10,000 km2) of diverse geology, geomorphology, microclimates, and vegetation.
  Time_Period_of_Content:
    Time_Period_Information:
      Range_of_Dates/Times:
        Beginning_Date: October 1998
        Ending_Date: November 1998
    Currentness_Reference: ground condition
  Status:
    Progress: Complete
    Maintenance_and_Update_Frequency: None planned
  Spatial_Domain:
    Bounding_Coordinates:
      West_Bounding_Coordinate: -89.749621
      East_Bounding_Coordinate: -89.551274
      North_Bounding_Coordinate: 15.466728
      South_Bounding_Coordinate: 15.355952
  Keywords:
    Theme:
      Theme_Keyword_Thesaurus: REQUIRED: Reference to a formally registered thesaurus or a similar authoritative source of theme keywords.
      Theme_Keyword: Landslides
    Place:
      Place_Keyword_Thesaurus: http://edcnts11.cr.usgs.gov/theo/.
      Place_Keyword: Guatemala
    Temporal:
      Temporal_Keyword: October 1998 - November 1998
  Access_Constraints: None
  Use_Constraints: These maps are inventory maps, not hazard maps, and should not be enlarged to a scale larger than 1:50,000.
  Point_of_Contact:
    Contact_Information:
      Contact_Person_Primary:
        Contact_Person: Jeffrey A. Coe
        Contact_Organization: U.S. Geological Survey
      Contact_Position: Geologist
      Contact_Address:
        Address_Type: physical address
        Address: USGS, MS 966, Denver Federal Center, Box 25046
        City: Denver
        State_or_Province: CO
        Postal_Code: 80225-0046
        Country: USA
      Contact_Address:
        Address_Type: physical address
        Address: USGS, Rm. 326, 1711 Illinois Street
        City: Golden
        State_or_Province: CO
        Postal_Code: 80401
        Country: USA
      Contact_Voice_Telephone: (303) 273-8606
      Contact_Facsimile_Telephone: (303) 273-8600
      Contact_Electronic_Mail_Address: jcoe@usgs.gov
      Hours_of_Service: 0800 - 1630 Mountain Time M-F
      Contact_Instructions: E-mail contact is preferred.
  Security_Information:
    Security_Classification: Unclassified
  Native_Data_Set_Environment: Microsoft Windows 2000 Version 5.0 (Build 2195) Service Pack 2; ESRI ArcCatalog 8.1.1.649
Data_Quality_Information:
  Positional_Accuracy:
    Horizontal_Positional_Accuracy:
      Horizontal_Positional_Accuracy_Report: The linework was digitized manually or by an optical scanner.  Landslide locations mapped using the photogrammetric plotter are estimated accurate to within 50-100 m.  Locations of landslides mapped using a mirror stereoscope are estimated to be accurate to within approximately 200 m.
  Lineage:
    Source_Information:
      Source_Scale_Denominator: 40000
      Type_of_Source_Media: aerial photographs
      Source_Time_Period_of_Content:
        Source_Currentness_Reference: ground condition
    Process_Step:
      Process_Description: Most landslides were mapped using 1:40,000-scale aerial photographs and a Kern PG-2 photogrammetric plotter at 4X and 8X magnifications.  The photographs were scaled and oriented to the topographic base map using prominent topographic landmarks and plotted on a transparent polyester overlay registered to the topographic base maps at a scale of 1:50,000 or 1:25,000.  In areas where landslides were very sparse, the aerial photographs were scanned with a mirror stereoscope at 4X magnification, and landslide locations were transferred to base maps by inspection.  The mapped landslides were digitized manually or by an optical scanner, and the data were then digitally registered to a digital version of the base map in ArcInfo.
      Process_Contact:
        Contact_Information:
          Contact_Person_Primary:
            Contact_Person: Jonathan W. Godt
            Contact_Organization: U.S. Geological Survey
          Contact_Voice_Telephone: (303) 273-8626
          Contact_Facsimile_Telephone: (303) 273-8600
          Contact_Electronic_Mail_Address: jgodt@usgs.gov
          Hours_of_Service: 0800 - 1630 Mountain Time M-F
          Contact_Instructions: E-mail is preferred
Spatial_Data_Organization_Information:
  Direct_Spatial_Reference_Method: Vector
  Point_and_Vector_Object_Information:
    SDTS_Terms_Description:
      SDTS_Point_and_Vector_Object_Type: Complete chain
      Point_and_Vector_Object_Count: 135
    SDTS_Terms_Description:
      SDTS_Point_and_Vector_Object_Type: Label point
      Point_and_Vector_Object_Count: 0
    SDTS_Terms_Description:
      SDTS_Point_and_Vector_Object_Type: GT-polygon composed of chains
      Point_and_Vector_Object_Count: 131
    SDTS_Terms_Description:
      SDTS_Point_and_Vector_Object_Type: Point
      Point_and_Vector_Object_Count: 12
Spatial_Reference_Information:
  Horizontal_Coordinate_System_Definition:
    Planar:
      Map_Projection:
        Map_Projection_Name: Transverse Mercator
        Transverse_Mercator:
          Scale_Factor_at_Central_Meridian: 1.000000
          Longitude_of_Central_Meridian: -89.625000
          Latitude_of_Projection_Origin: 15.333333
          False_Easting: 0.000000
          False_Northing: 0.000000
      Planar_Coordinate_Information:
        Planar_Coordinate_Encoding_Method: coordinate pair
        Coordinate_Representation:
          Abscissa_Resolution: 0.000032
          Ordinate_Resolution: 0.000032
        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
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  Overview_Description:
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Metadata_Reference_Information:
  Metadata_Date: 20020104
  Metadata_Contact:
    Contact_Information:
      Contact_Person_Primary:
        Contact_Person: Jonathan W. Godt
        Contact_Organization: U.S. Geological Survey
      Contact_Position: Geologist
      Contact_Address:
        Address_Type: mailing address
        Address: USGS, MS 966
        Address: Denver Federal Center
        Address: Box 25046
        City: Denver
        State_or_Province: CO
        Postal_Code: 80225-0046
        Country: USA
      Contact_Voice_Telephone: (303) 273-8626
      Contact_Facsimile_Telephone: (303) 273-8600
      Contact_Electronic_Mail_Address: jgodt@usgs.gov
      Hours_of_Service: 0800 - 1630 Mountain Time M-F
      Contact_Instructions: E-mail is preferred
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  Metadata_Standard_Version: FGDC-STD-001-1998
  Metadata_Time_Convention: local time
  Metadata_Access_Constraints: None
  Metadata_Use_Constraints: None
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