53 datasets found

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  • Snow

    This dataset contains polygons describing the propensity for deep snow.
  • Elevation Range

    This dataset contains polygons depicting ranges in elevation that were created using the dem60 tong_lat lattice and the Tongass wide VCU dataset.
  • Contours

    Contour lines and corresponding elevations in feet for the Tongass National Forest. Elevation can be displayed at 100 foot intervals. The contour lines can also be displayed at...
  • Recreation Opportunity Spectrum (ROS)

    Depicts the spatial location of areas showing the type of Recreation Opportunity Settings that exist. Recreation Opportunity Spectrum (ROS). Updated by Tetra Tech EC - June 6,...
  • Timber Classification

    This dataset contains polygons describing photo interpreted map classifications of the Tongass National Forest developed in 1978. The dataset's primary objective was to...
  • USFS R10 precipitation maps

    These data contain a series of stream discharge models in GRID format. Analysis of error was undertaken on four regionally-based statistical streamflow models in Southeast...
  • Value Comparison Units

    The dataset contains polygons which were created during development of the first Tongass National Forest Land Management Plan to summarize and analyze data on smaller areas...
  • Tongass National Forest, Cover Type, 2013

    CoverType is a photo-interpreted delineation of the Tongass National Forest by land type and timber cover type. Classification of lands was done sequentially: 1) land and water...
  • Tongass National Forest, Activity Polygon, 2013

    Depicts the area of activities within or in close proximity to an administrative unit. The ActivityPolygon layer is updated for new treatment units and will display the gross...
  • Tongass National Forest, Riparian Management Areas (RMA), 2013

    This feature class contains polygons which depict Riparian Management Areas on the Tongass National Forest. The script is in T:\FS\Reference\GeoTool\r10_tnf\ToolboxDelineation...
  • Tongass National Forest, Suitability, 2013

    This dataset represents the suitable areas for timber harvest on the Tongass National Forest
  • Tongass National Forest, Land Use Designation, 2013

    This dataset is used to denote USFS Land Use Designations (LUD) on the Tongass National Forest. Chapter 3, of Land and Resource Management Plan includes the complete management...
  • Tongass National Forest, Roadless 2003, 2013

    Roadless areas were updated from the Roadless Rule maps, based on current roads and harvest units.
  • Tongass National Forest, Roadless Rule 2001, 2013

    Created by the Roadless Rule (WO-Group). It's the Law. This coverage contains the true inventoried roadless area and it will not change. Use this feature class for Roadless....
  • Tongass National Forest, Size Density, 2013

    This data represents the output of the Size Density Model which classifies vegetation into 7 categories. This dataset is a derived data set using Tongass National Forest...
  • Tongass National Forest, Roadless 2008, 2013

    Roadless 2008 was an update of roadless 2003. Contains the most recent inventory of the roadless conditions,
  • Land Ownership

    Tongass N.F. Landstatus, Administrative, ownership, encumbered and municipal layer
  • District Boundaries

    This dataset displays the boundaries of Forest Service Ranger Districts on the Tongass National Forest.
  • Invasive Plants

    All Tongass National Forest invasive plant occurences (polygons) spatial and attribute data.
  • 20 Meter Aspect

    Terrain aspect polygons derived from the 20 meter DEM data using the custom script - wildaspect.aml