Four Treasures Reference Database
Record No. 17049
Wolf Kuehn's Gem Study Tour to the Muzo, Colombia Emerald Mine
Unpublished Work
Kuehn, W. (2005) Wolf Kuehn's Gem Study Tour to the Muzo, Colombia Emerald Mine. 47 pp.; unpublished report.
RWHL
gems, beryl, emerald, Colombia, Muzo
Field trip guide to Colombia’s Muzo mines.