Columbia subject headings:
Gold mines and mining--Colombia--Antioquia (Department)
Gold ores--Colombia--Antioquia (Department)
Gold ores--Geology--Colombia--Antioquia (Department)
Harvard subject headings:
Gold mines and mining--Colombia--Antioquia (Department)
Gold ores--Colombia--Antioquia (Department)
Gold ores--Geology--Colombia--Antioquia (Department)
Princeton subject headings: