– The Gunnell Crystal Collections
– Some Random Remarks About Collecting and Collectors
– New Barite Find in Southern Illinois
– The Uranium-Vanadium Deposit of Mounana, Gabon
– The C.U. Shepard Mineral Collection and the Two Drs. Shepard
– “A New Mineral – Almost”
48 pages
20,5 x 27,5 cm
Dos agrafé
Langue anglaise
(1975)
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