Land Type Assocations, Tongass National Forest
LTAs charactarize landscapes of 1 to 10 square miles and depict broad patterns of geology, geomorphology, soils and vegetation. They were created by nesting existing R10 soil mapping and the NRCS STATSGO general soil map within the Ecological Subsections....
AK Hydro Barriers to Fish Passage in Southwest Alaska
This layer contains points representing bedrock waterfalls or other permanent in-stream obstacles that are potential barriers to fish passage in Southwest Alaska. Waterfalls less than 1 meter are not mapped nor are those caused only by wood or debris jams...
AK Hydro Streams in Southwest Alaska
This dataset portrays the linear water features in Southwest Alaska. The layer also provides channel type information, stream class information and classifications particular to the State Anadromous Waters Catalog.
AK Hydro Dams in Southwest Alaska
This dataset provides a locational map of dams in Southwest Alaska. The National Inventory of Dams was originally developed by the U.S. Army Corps of Engineers and the Federal Emergency Management Agency. It was developed to track dam related problem area...
AK Hydro Stream Polygons in Southwest Alaska
This dataset provides cartographic representation of "wide" linear water features in Southwest Alaska.
AK Hydro Glaciers in Southwest Alaska
The Randolph Glacier Inventory (RGI) is a globally complete inventory of glacier outlines. It is supplemental to the Global Land Ice Measurements from Space initiative (GLIMS).
AK Hydro Saltwater Inundation Areas in Southwest Alaska
This dataset contains polygons describing high and low tide shorelines with delineated intertidal areas for Southwest Alaska.
AK Hydro Freshwater Lakes in Southwest Alaska
This dataset is used to depict lakes within Southwest Alaska.
Tongass National Forest, SizeDensity, 2014
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 Covertypes, Tongass National Forest Hydric Soils, NWI Hydric Soils, and Aspect. They ...
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 of the Riparian Management Area (RMA).The GIS polygon layer that depicts the To...