484 Using the Engineering Literature, Second Edition
American Association of Petroleum Geologists http://bookstore.aapg.org (accessed July 23,
2010). The AAPG publishes a number of maps and atlases, including some in digital/GIS
format. One example is the Digital GIS Atlas of O&G Fields, a four-module product cover-
ing the U.S. Gulf Coast (100 elds), east South America and western Africa (53 elds), and
Southeast Asia and Oceania (32 elds).
GEOSCAN Database. Geological Survey of Canada http://geoscan.ess.nrcan.gc.ca/starweb/
geoscan/servlet.starweb?path=geoscan/geoscan_e.web (accessed July 23, 2010). A biblio-
graphic database of over 40,000 records covering GSC publications. Maps are included,
and searches can be restricted to maps about petr ...