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.

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...

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...

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...

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...

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...

Scenery integrity objectives created as part of the May 2002 Revised Land and Resource Management Plan. Data available from the United States Department of Agriculture Forest...

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...

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...

Index for historic 1:63,630 USGS quads (1" = 1 mile). Data available from the United States Department of Agriculture Forest Service.

This coverage currently consists of the powerlines digitized from mylar overlays of 1:31,680 orthophoto quads in ARC/INFO. One 17(b) easement on lands that have been conveyed to...

Various data sources have been used. See TR-DATA-SOURCE item. Data available from the United States Department of Agriculture Forest Service.