Older landslides in Panzós quadrangle, Guatemala

Online link https://geo-nsdi.er.usgs.gov/metadata/open-file/01-443/Panzos/ols22622.faq.html
Description 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 p
Originators Bucknam, Robert C.; Coe, Jeffrey A.; Mota, Manuel Antonio; Godt, Jonathan W.; Tarr, Arthur C.; Bradley, Lee-Ann; Rafferty, Sharon A.; Hancock, Dean; Dart, Richard L.; and Johnson, Margo L.
Publication U.S. Geological Survey Open-File Report 01-443

Related topics

States or counties

Overview of attributes

>The following is a brief description of the data layers, tables, and their associated
>attributes that are used in this report.
>
>GEOLOGIC DATA:
>BEDROCK - Polygon data layer of bedrock geologic map units
>  BEDROCK.PAT items:
>    MAPUNIT - Bedrock geologic map unit code
>    COA_ID - Compound object archive identifier, map unit names and descriptions -
>             a data linkage hub in North American Data Model (NADM) 4.3
>
>FAULT - Line data layer of geologic faults and folds
>  FAULT.AAT items:
>    SYMBOL - Symbol number from FAULT.LIN or ALCNEW61.LIN linesets, used for plotting
>    SYMBOL-ARC - Symbol number from GDS1.LIN lineset, used for plotting
>    FEATURE - Geologic Data Systems (GDS) assigned feature description
>    ELEVATION - GDS assigned attribute
>    TYPE - Type of fault
>      TYPE Code  Description
>         AC      Anticline
>         AF      Antiform
>        ARO      Arrow showing movement along strike-slip fault
>         FZ      Fault zone
>          N      Normal fault
>         NT      Normal fault re-activated as thrust fault
>         OT      Overturned thrust fault
>         SC      Syncline
>         SF      Synform
>         SS      Strike-slip fault
>          T      Thrust fault
>         TA      Thermal aureole
>         UF      Unclassified fault
>        ULF      Unclassified linear feature
>    CODE - Identifies fault segments which are overlaid by surficial deposits
>           (CODE = 2).  Used for plotting.  Relevant only for those faults which
>           lie within the boundary of the USGS Frederick 1:100000-scale map.
>    QUAD - Identifies the USGS 1:100000-scale map to which the feature belongs
>      QUAD
>      Code  Description
>       FB - Fredericksburg
>       FK - Frederick
>       WW - Washington West
>
>NEAT - Line data layer of map neatline
>
>SINK - Point data layer of sinkhole locations
>  SINK.PAT items:
>    MAPUNIT - Set to 'Sinkhole'
>
>STRUCTURE - Point data layer of geologic structure
>  STRUCTURE.PAT items:
>    DIP - Dip value (planar data) or plunge value (linear data)
>    STRIKE_ANG - GDS assigned angle measured from North
>    AZIMUTH - Angle measured from North in right-hand rule (planar data).
>              Routines used to digitize the geologic structure symbols that
>              lie within the boundaries of the USGS Frederick and Washington
>              West 1:100000-scale maps (item QUAD equal to 'FK' and 'WW',
>              respectively) resulted in the azimuth value for those symbols to
>              be calculated based on a northern trend (270<=azimuth<=90).
>              Southern trending azimuth values (90<azimuth<270) for structure
>              symbols associated with the Frederick and Washington West maps
>              were translated to their northern trend equivalents.  If necessary,
>              the southern trending azimuth values for these symbols can be
>              restored using the item SYMB_ANG and the following equations:
>                For 180<SYMB_ANG<=270,
>                  azimuth = AZIMUTH + 180
>                For 270<SYMB_ANG<360,
>                  azimuth = AZIMUTH - 180
>    TYPE - Type of geologic structure.  Relevant for geologic structure data
>           that lies within the boundaries of the USGS Frederick and Washington West
>           1:100000-scale maps (item QUAD equal to 'FK' and 'WW')
>      TYPE Code  Description
>        AGE      Sample site for U-Pb isotopic technique for age date
>         HB      Horizontal bed
>        I1C      Inclined first-generation Paleozoic cleavage and (or) schistosity
>        I2C      Inclined second-generation Paleozoic cleavage and (or) schistosity
>        IEF      Inclined early foliation
>         IB      Inclined bed
>         IF      Inclined Middle Proterozoic foliation
>        IMP      Inclined mylonitic and phyllonitic foliations
>        IPF      Inclined phyllonitic foliation
>         MA      Minor antiform
>         OB      Overturned bed
>         QM      Quarry or mine
>        RAD      Greater than 200 pCi/L of soil gas radon
>        V1C      Vertical first-generation Paleozoic cleavage and (or) schistosity
>        V2C      Vertical second-generation Paleozoic cleavage and (or) schistosity
>         VB      Vertical bed
>        VEF      Vertical early foliation
>         VF      Vertical Middle Proterozoic foliation
>        VMP      Vertical mylonitic and phyllonitic foliations
>    SUB_TYPE - Type of quarry mine
>      SUB_TYPE
>        Code    Description
>         Ag     Silver
>         Au     Gold
>          C     Chromite
>         Cu     Copper
>          D     Diabase
>          F     Hematite, limonite, and iron-ore
>          L     Limestone
>          M     Marble
>         Mg     Magnetite
>         Mn     Manganese
>         Pb     Lead
>          S     Building stone
>         Sl     Slate
>         Zn     Zinc
>    SYMB_ANG - Standard Cartesian angle measured from East.  Used for plotting.
>    DIPDIR - Direction of dip (planar data) or trend (linear data) measured from North
>    SYMBOL - Symbol number from the LOUDOUN_AP.MRK markerset or the MPLY.LIN lineset,
>             used for plotting
>    FEATURE - Type of geologic structure.  Relevant for geologic structure data that
>              lies within the boundary of the USGS Fredericksburg 1:100000-scale
>              map (item QUAD equal to 'FB')
>    GROUP - GDS assigned attribute
>    METHOD - GDS assigned attribute
>    SOURCE - GDS assigned attribute
>    DIP_DIR - GDS assigned attribute
>    SYMB_ARC - Symbol number from the GDS1.MRK markerset, used for plotting
>    QUAD - Identifies the USGS 1:100000-scale map to which the structure data belongs
>      QUAD
>      Code  Description
>       FB - Fredericksburg
>       FK - Frederick
>       WW - Washington West
>
>SURFICIAL - - Polygon data layer of surficial geologic map units
>  SURFICIAL.PAT items:
>    MAPUNIT - Surficial geologic map unit code
>    COA_ID - Compound object archive identifier, map unit names and descriptions -
>             a data linkage hub in North American Data Model (NADM) 4.3
>
>BASE DATA:
>POLBND - Net data layer of state and county boundaries:
>  POLBND.AAT items:
>    POLBND-ID
>      TYPE - State or county boundary
>  POLBND.PAT items:
>    STATE_NAME - State in which county resides
>    CNTY_NAME - County name
>    STATE_FIPS - State FIPS code (character field)
>    CNTY_FIPS - County FIPS code (character field)
>    FIPS - FIPS code for state/county (character field)
>    MAJOR# - DLG code
>    MINOR# - DLG code
>      Major DLG  Minor DLG
>        Code       Code     Description
>         91        ---      State FIPS code (integer field)
>         92        ---      County FIPS code (integer field)
>
>ROADS - Line data layer of major highways
>  ROADS.AAT items:
>    MAJOR# - DLG code
>    MINOR# - DLG code
>      Major DLG  Minor DLG
>        Code       Code     Description
>        170        201      Primary route, class 1, undivided
>        170        203      Primary route, class 1, divided
>        170        204      Primary route, class 1, one way
>        170        205      Secondary route, class 2, undivided
>        170        207      Secondary route, class 2, divided
>        170        209      Road or street, class 3
>        170        210      Road or street, class 4
>        170        401      Traffic circle
>        170        402      Cloverleaf or interchange
>        170        607      Underpassing
>        170        617      Business route
>        172        ---      Interstate route number
>        173        ---      U.S. route number
>        174        ---      State route number
>
>TOPO - Line data layer of elevation contours
>  TOPO.AAT items:
>    MAJOR# - DLG code
>    MINOR# - DLG code
>      Major DLG  Minor DLG
>        Code       Code     Description
>         20        20O      Contour (index or intermediate)
>         20        201      Carrying contour
>         20        204      Amended contour
>         20        208      Closure line
>         20        611      Depression
>         24        ---      Elevation in whole meters
>    TYPE - Type of contour: index (Index) or intermediate (Inter),
>           used for plotting
>
>HYDRO - Polygon data layer of major water bodies
>  HYDRO.PAT items:
>    RINGS_OK - Attribute assigned by the Chesapeake Bay Program
>    RINGS_NOK - Attribute assigned by the Chesapeake Bay Program
>    FEATURE - Type of hydrologic feature (stream, pond, marsh, etc.)

http://pubs.usgs.gov/of/2001/of01-227/of01227.pdf