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Chugach National Forest GIS – Timber Type
Existing timber type mylars were developed by the Alaska Regional Office in 1978 using 1:15,840 aerial photography flown in the 1950's-1970's, and digitized primarily under... -
Chugach National Forest GIS – Ownership Boundaries
Digitized in-house in 1988-89 both with LIDES and in ARC/INFO from the Land Status Atlas maintained by the Chugach National Forest Supervisor's Office Lands Staff. Coverage is... -
Chugach National Forest GIS – Recreation Point Feathers
Recreation sites in the Chugach National Forest. Data was digitized from 1:31,680 mylar overlays of mylar orthophoto quads using ARC/INFO. Data available from the United States... -
Chugach National Forest GIS – Township, Range, & Section
Line coverage in ArcInfo format received from Alaska Department of Natural Resources, projected to UTM's, clipped to Chugach National Forest boundary and corrected where... -
Chugach National Forest GIS – Cover Type
Cover types originated from the timber type coverages for each management area. First, all polygons less than five acres were ELIMINATEd, except islands in Prince William Sound.... -
Chugach National Forest GIS – Freshwater Streams
Digitized from 1:31,380 orthophoto quads. Estuarine channel types may extend beyond shoreline. Selected stream arcs on Cordova Ranger District updated October and November 2002.... -
Chugach National Forest GIS – Grid from Digital Elevation Model (DEM)
Derived from elevation grid. Data available from the United States Department of Agriculture Forest Service. -
Chugach National Forest GIS – Recreation Polygon Features
Data was digitized from 1:31,680 mylar overlays of mylar orthophoto quads using ARC/INFO. Data available from the United States Department of Agriculture Forest Service. -
Chugach National Forest GIS – Saltwater Shoreline Polygons
Shoreline for the Chugach National Forest was digitized from 1:63,360 Primary Base Series (PBS) quads by the USFS Geometronics Service Center (GSC) in Salt Lake City. Data... -
Chugach National Forest GIS – Road System
Roads in the Chugach National Forest. Digitized primarily from mylar overlays of mylar USGS orthophoto quads using ARC/INFO. Data available from the United States Department of... -
Chugach National Forest GIS – Ecosections and Sub-Sections
Polygon coverage of ecological sections and subsections for the Chugach National Forest. The sections and subsections were mapped by Dean Davidson based on the standards in the... -
Chugach National Forest GIS – Grid from Digital Elevation Model (DEM)
Grid from Digital Elevation Model, based on USGS 15" quad 100 foot contour lines. Data available from the United States Department of Agriculture Forest Service. -
Chugach National Forest GIS – 100 ft Contours for Chugach CNF
100 ft contour lines for the Chugach National Forest, digitized from USGS 1:63,360 quads. Data available from the United States Department of Agriculture Forest Service. -
Chugach National Forest GIS – Aspect
The data was derived from a Digital Elevation Model (DEM) and provides the aspect of terrain in the Chugach National Forest. Data available from the United States Department of... -
Chugach National Forest GIS – Alaska Railroad
Alaska Railroad track location in southcentral Alaska. About half the data was collected with GPS and post processed. Where there were gaps in the GPS data, the arcs were... -
Chugach National Forest GIS – Lake Shore Polygons
Lakes for the entire Chugach National Forest digitized from 1"/mile Primary Base Series (PBS) maps. Work was done under contract to the USFS Geometronics Service Center in Salt... -
Chugach National Forest GIS – Geologic Map from USGS Branch of Alaska Geology
Digitized from the Geologic Map of the Chugach National Forest, AK prepared by Steven W Nelson, JA Dumoulin, & Marti L Miller, 1985. Data available from the United States... -
Chugach National Forest GIS – Secretary of the Interior Withdrawals
Polygons were digitized from the Land Status Atlas maintained by the Chugach National Forest Lands staff which was derived from Public Land Orders (PLO's). The digitizing was... -
Chugach National Forest GIS – Forest, District and Management Area Boundaries
The Forest boundary was digitized in-house using both ARC/INFO and LIDES. The Russian River and Chickaloon River portions of the boundary on the Kenai Peninsula were extracted... -
Chugach National Forest GIS – USF&WS National Wetlands Inventory
Data received from US Fish & Wildlife Service. Wetlands interpreted stereoscopically and transferred to USGS base maps at 1:63,360 scale. Field verification/ground truthing in...
