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1.- Comparison of contemporary land-cover trends among the Sonoran Basin and Range, Madrean Archipelago, and Chihuahuan Deserts ecoregions
U. S. Geological Survey; Reston, VA; USA; United States, 2008
Proceedings of a USGS workshop on Facing tomorrow's challenges along the U.S.-Mexico border; monitoring, modeling and forecasting change within the Arizona-Sonora transboundary watersheds
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2.- GEOSPATIAL ANALYSIS OF CHANGES IN RIVER-CHANNEL POSITION AND RIPARIAN VEGETATION OF THE LOWER COLORADO RIVER
GEOLOGICAL SOCIETY OF AMERICA (GSA); BOULDER, CO; USA; UNITED STATES, 2004
GEOLOGICAL SOCIETY OF AMERICA, 2004 ANNUAL MEETING
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