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| Tennant Creek, Northern Territory; insulaters were often stolen by the Aboriginals after they found that when broken, they could be made into very sharp cutting tools. |  |
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| Total images: 30 | Help |
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| Tennant Creek, Northern Territory; insulaters were often stolen by the Aboriginals after they found that when broken, they could be made into very sharp cutting tools. | |
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| Total images: 30 | Help |