| 21. | Brower became an expert observer of flora and fauna and a collector of rocks and minerals.
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| 22. | Most of the rocks and minerals are housed in glass cases along the walls in the basement.
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| 23. | They are associated with faults and fractured rock, and are accompanied by igneous rocks and mineral deposits.
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| 24. | In 2001, Metso acquired the Swedish Svedala Industri AB, a manufacturer of rock and minerals processing equipment.
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| 25. | Rock and mineral collecting is prohibited in most if not all national parks in the United States.
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| 26. | It extracts and processes rocks and minerals on behalf of customers in the manufacturing and construction industries.
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| 27. | He has an intense interest in and knowledge of rocks and minerals and an extensive rock collection.
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| 28. | For example, each section 1 station may have different rocks and minerals, though the task is the same.
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| 29. | The prints are now on display at the Parrsboro Rock and Mineral Shop and Museum, owned by George.
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| 30. | Flint, obsidian, quartz and many other rocks and minerals were commonly used to make points in North America.
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