Digital representation of the Washington state geologic map: a contribution to the Interior Columbia Basin Ecosystem Management Project

This report describes the digital representation of the Washington state geologic map (Hunting and others, 1961). This report contains an explanation of why the data were prepared, a desctiption of the digital data, and information on obtaining the digital files. This report is one in a series of digital maps, data files, and reports generated by the US Geological Survey to provide geologic process and mineral resource information to the Interior Columbia Basin Ecosystem Management Project (ICBEMP). The various digital maps and data files are being used in a GIS-based ecosystem assessment including an analysis of diverse questions relating to past, present, and future conditions within the general area of the Columbia River Basin east of the Cascade Mountains.