Hi, May be of interest: Events Affecting Gold Exploration in Venezuela Since 1999 http://pubs.usgs.gov/of/2014/1068/ We use the MRDS database to find bibliographic information is in the site records for mineral/mine locations: Go to: Mineral Resources On-Line Spatial Data: http://mrdata.usgs.gov/ - Select the "Mineral Resources" tab - Select "Mineral Resources Data System (MRDS)" ; direct link is at: http://mrdata.usgs.gov/mrds/ - select " Search by site name, location, or commodity" ; direct link is at: http://mrdata.usgs.gov/mrds/find-mrds.php When viewing the search results, make sure to check out the options for "Choose format" - many library users use the the Google Earth option to view, find, and research the minerals and areas of interest. Hope that is helpful! Enjoy the day, Emily ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Emily Wild Librarian (Physical Scientist) U.S. Geological Survey Denver Library Box 25046, MS 914 Denver Federal Center Denver, CO 80225-0046 ph: (303) 236-1003 [log in to unmask] USGS Libraries: http://library.usgs.gov Tutorials: http://tinyurl.com/lh3tmua Professional Page: http://profile.usgs.gov/ecwild ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~