The Willamette River Basin Planning Atlas supports this endeavor by compiling, analyzing, and representing the best available information about critical natural and cultural factors influencing land and water use decisions. Once compiled, this information was used in a collaborative, citizen-led process to create a set of mapped depictions of plausible future configurations of land and water use for the basin in the year 2050. These alternative futures were then scientifically evaluated for their effects on important environmental and ecological processes. The primary purpose of this book is to convey this work and the resulting information.