Stanford, Ray E., authorOpler, Paul A., author2016-01-152016-01-151999http://hdl.handle.net/10217/170446Includes records received since February 1993, including state/province records.reportsengCopyright and other restrictions may apply. User is responsible for compliance with all applicable laws. For information about copyright law, please see https://libguides.colostate.edu/copyright.ButterfliesSupplement to Western USA/Canada/Mexico butterfly atlas: 24 February 1999 updated versionText