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- Corporate/Agency Authors:
- Mines Bureau and Commerce Department
- Publisher:
- Mines Bureau
- Date:
- Oct. 21, 1930
- SuDoc number:
- C 22.8/a:G 563/4/928
- Corporate/Agency Authors:
- Mines Bureau and Commerce Department
- Publisher:
- Mines Bureau
- Date:
- Oct. 20, 1930
- SuDoc number:
- C 22.8/a:C 177/929
- Corporate/Agency Authors:
- Standards Bureau and Commerce Department
- Publisher:
- Standards Bureau
- Date:
- Oct. 18, 1930
- SuDoc number:
- C 13.10:112
- Corporate/Agency Authors:
- Standards Bureau and Commerce Department
- Publisher:
- Standards Bureau
- Date:
- Oct. 16, 1930
- SuDoc number:
- C 13.12/1:108
- Corporate/Agency Authors:
- Standards Bureau and Commerce Department
- Publisher:
- Standards Bureau
- Date:
- Oct. 16, 1930
- SuDoc number:
- C 13.12/1:106
- Corporate/Agency Authors:
- Standards Bureau and Commerce Department
- Publisher:
- Standards Bureau
- Date:
- Oct. 16, 1930
- SuDoc number:
- C 13.4:385
- Corporate/Agency Authors:
- Census Bureau and Commerce Department
- Publisher:
- Census Bureau
- Date:
- Oct. 15, 1930
- SuDoc number:
- C 3.21:930-931/2
- Corporate/Agency Authors:
- Mines Bureau and Commerce Department
- Publisher:
- Mines Bureau
- Date:
- Oct. 15, 1930
- SuDoc number:
- C 22.8/a:G 563/2/928
- Corporate/Agency Authors:
- Census Bureau and Commerce Department
- Publisher:
- Census Bureau
- Date:
- Oct. 14, 1930
- SuDoc number:
- C 3.25:930-931/2
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- Oct. 14, 1930
- SuDoc number:
- C 21.5/a 2:399/2