Subject: Precious stones - Yale University Library GeoBlacklight Search Results

Start Over Subject Precious stones

1. Géologie et minéralisations à̀ gemmes d'Afrique de l'Est Geology and gemstones deposits of East Africa / [cartographic material] =

2004. 2009-02-09T13:57:37Z. 2011-03-28T20:50:42Z. France. Bureau de recherches géologiques et minières. BRGM. French&English. Public. Africa, East.

2. State of Oregon semiprecious gem stone areas

1960. 2018-05-04T18:26:52Z. 2018-05-04T18:26:52Z. Oregon. Department of Geology and Mineral Industries. The Dept. English. cartographic image. Public. Oregon and Oregon.

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