| 1. | Gillen designed the Tucker Award in 1977 for the Building Stone Institute.
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| 2. | The museum's garden includes Roman period sarcophagi, building stones and water jars.
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| 3. | There were intermediate seams of good brick making clay and building stone.
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| 4. | The mineral products comprised sandstone, granite and other kinds of building stone.
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| 5. | Wheat and oilseeds are the main crops, and building stone is quarried.
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| 6. | Extraction of building stone is also among the important crafts of the governorate.
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| 7. | Marsden described the ship as having a ragstone, a type of building stone.
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| 8. | Venice, isolated in its lagoon, had no building stone at hand.
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| 9. | Attempts to protect the island by building stone walls were unsuccessful.
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| 10. | They had a rudimentary knowledge of agriculture, building stone monuments, and primitive navigation.
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