Includes bibliographical references (pages 13-14, 16).
Other Forms
Also available via Internet from the USGS web site. Address as of 2/3/2003: http://pubs.usgs.gov/gip/gemstones/index.html; current access via PURL.
Action Note
committed to retain. Federal Depository Library Program (FDLP). For information on our retention commitment, please contact Microforms and Government Information.
