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VIEW a list of other USGS General Interest Publications This page is URL:http://pubs.usgs.gov/gip/gemstones/index.html Maintained by Eastern Publications Group Web Team Last modified 06-14-01 (jmw)
This page is URL:http://pubs.usgs.gov/gip/gemstones/index.html Maintained by Eastern Publications Group Web Team Last modified 06-14-01 (jmw)