Digital cartographic data is provided on the Yukon Flats National Wildlife
Refuge. The data set contains land cover classifications derived from Landsat
MSS data and elevation, slope ...
Vector and digital data from the Colville River area in Alaska. Data contains
land cover classifications derived from Landsat MSS data, aerial photography,
and ...
This digital data set on the Nowitna National Wildlife Refuge, Alaska,
contains land cover classification derived from Landsat MSS data and elevation
slope and aspect data derived from ...
Digital land cover and terrain data of the Arctic National Wildlife Refuge
(ANWR) were prduced by the U.S. Geological Survey (USGS) Earth Resources
Observation Systems Field Office, Anchorage, ...
The Sierra Nevada Ecosystem Project (SNEP) is an assessment of the Sierra
Nevada ecoregion which was requested by Congress in 1992. Along with a
scientific review of late-successional ...
This publication consists of the online version of a CD-ROM publication, U.S.
Geological Survey Digital Data Series DDS-43. The data for this publication
total 175 MB on the CD-ROM and 167 MB for ...