Revision History for USGS Miscellaneous Investigations Series Map I-2455 Norman S. MacLeod, David R. Sherrod, Lawrence A. Chitwood, and Robert A. Jensen Geologic Map of Newberry Volcano, Deschutes, Klamath, and Lake Counties, Oregon ----------------------------------------------------- Added link to GIS data that are published in Data Series 771 http://pubs.usgs.gov/ds/771/ June 10, 2013 Posted as high-quality scans with pamphlet online at http://pubs.usgs.gov/imap/2455/ July 1, 2011 Posted in .sid archives with no pamphlet at http://ngmdb.usgs.gov/Prodesc/proddesc_10285.htm July 21, 2009 Released in paper form 1995 -----------------------------------------------------