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IP address: 3.238.93.70
Time: 2024-08-03T03:48:09Z
URL: https://scholar.google.com/scholar_lookup?author=Ball%20S.&journal=Smithsonian%20Institution%2FBureau%20of%20American%20Ethnology%20Bulletin&pages=1-77&publication%20year=1941&title=The%20mining%20of%20gems%20and%20ornamental%20stones%20by%20American%20Indians&volume=128