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The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's surface water drainage system. NHD data was originally developed at 1:100,000-scale and exists at that scale for the whole country. This high-resolution NHD, generally developed at 1:24,000/1:12,000 scale, adds detail to the original 1:100,000-scale NHD. (Data for Alaska, Puerto Rico and the Virgin Islands was developed at high-resolution, not 1:100,000 scale.) Local resolution NHD is being developed where partners and data exist. The NHD contains reach codes for networked features, flow direction, names, and centerline representations for areal water bodies. Reaches are also defined on waterbodies and the approximate shorelines of the Great Lakes, the Atlantic and Pacific Oceans and the Gulf of Mexico. The NHD also incorporates the National Spatial Data Infrastructure framework criteria established by the Federal Geographic Data Committee.
A ranger district is generally the smallest defined management unit on a national forest. A single ranger district may manage lands on multiple national forests.
WaterBodyMLNF represents lakes, ponds and reservoirs on the Manti-La Sal National Forest and vicinity. These data were subset from the National Hydrography Dataset (NHD), which is the surface water component of The National Map. The NHD is a digital vector dataset used by geographic information systems (GIS). It contains features such as lakes, ponds, streams, rivers, canals, dams and streamgages. These data are designed to be used in general mapping and in the analysis of surface-water systems.
This layer includes the majority of open National Forest System roads on Manti-La Sal National Forest. This layer and the base data that supports it will be revised if designations change or corrections are identified. This layer is not intended to be used for travel management. Please consult the most current published motor vehichle use maps or Forest travel maps. Also contact the local Forest Service office for the most up-to-date information.
RecSitePoint gives point locations of recreation sites such as trailheads and campgrounds. Initially, the data were derived from points reviewed for the Recreation Sites Asset Management Plan in November 2005. Items in the attribute table are compliant with the June 30, 2004 GIS Data Dictionary. Updates are on-going. Control numbers can be used to link spatial data to records in INFRA.
This feature class, FLRMP_ManagementUnit, contains polygons representing the Land and Resource Management Plan (LRMP) management units within the Manti LaSal National Forest. Data sources include the 1:62,500 scale 1986 planner's map and case file data pertaining to special land designations and developed recreation sites.This layer was originally digitized for defining stipulation areas in the Forest-wide oil and gas leasing EIS, 1992. Since then it has been relied upon as the primary source for the location of LRMP management areas. There are 476 unique polygons depicted within the coverage and 16 unique values for MGTU. These values include: DCW, DRS, GWR, KWR, MMA, MWS, PVT, RNG, RPI, SLD, SPR, TBR, UCW, UDM, WPE, and NA (blank). The layer was updated on 6/18/07 to correct an error on the west side of the San Pitch Division where two polygons of GWR were not showing up. The Fish Creek SPR polygon and adjacent features were edited 9/18/2012 to conform to the Fish Creek Winter Recreation Decision (January 2009).
Existing Vegetation (EV) is the plant community, or floristic composition and vegetation structure, occurring at a given location at the current time. This layer also provides for Land Use and Land Cover attributes as well, so as to allow the mapping of a continuous landscape, using Anderson 1 and 2 classification systems. The Field Sampled Vegetation (FSVeg) database contains plot vegetation data from field surveys such as FIA data, stand exams, inventories, and regeneration surveys. It includes data on trees, surface cover, understory vegetation, and down woody material. Almost any type or variety of field sampled vegetation data can be stored in FSVeg.