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/biz/ - Business & Finance

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>> No.49572046 [View]
File: 61 KB, 1000x766, Dredge of the Cafue Copper Co., Barkerville, B.C 1926.jpg [View same] [iqdb] [saucenao] [google]
49572046

>>49570570
thank you baker!

>> No.49261737 [View]
File: 61 KB, 1000x766, Dredge of the Cafue Copper Co., Barkerville, B.C 1926.jpg [View same] [iqdb] [saucenao] [google]
49261737

>>49261713
try and split the sample in half, keep part intact and crush the other, thats what we do when sampling / assaying.

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