United States 
Environmental Protection 
Agency 
Office of Research and 
Development 
Washington, D.C. 20460 
SEPA An Ecological 
Assessment 
of the Louisiana 
Tensas River Basin 
Classified Image - 
Vegetation Change 
1970s to 1990s. 
Land Cover 
Forest 
Forest Loss 
Forest Gain 
Human Use 
Water 
EPA/600/R-99/016 
February 1999 
