Zientek, Michael L.

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Digital maps of compositionally classified lithologies derived from 1:500,000-scale geologic maps for the Pacific Northwest: a contribution to the Interior Columbia Basin Ecosystem Management Project

This report describes the contents of a digital data set (approximately 269 MB) which consists of Arc/Info Export format files and associated macro programs. This report is one in a series of digital maps, data files, and reports generated by the US Geol