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Start Over You searched for: GALE Remove constraint GALE Subject Mineralogy Remove constraint Subject: Mineralogy Geographic Information Perkiomen, Montgomery County, Pennsylvania, United States Remove constraint Geographic Information: Perkiomen, Montgomery County, Pennsylvania, United States

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1. Galena, 2143

2. Barite, 5493

3. Barite, 5488

4. Cerussite, 8910