Geology and resource assessment of Costa Rica at 1:500,000 scale; a digital representation of maps of the U.S. Geological Survey's 1987 folio I-1865

Online link http://pubs.usgs.gov/dds/dds19/
Description Geologic units, structural features, geochemical sample points, and detailed information about the Tilaran gold mining area.
Originators Schruben, Paul G.
Publication U.S. Geological Survey Digital Data Series DDS-19-R

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