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- Corporate/Agency Authors:
- Biological Survey Bureau and Agriculture Department
- Publisher:
- Biological Survey Bureau
- Date:
- [Feb. 1918, reprint with slight changes Aug.] 1921
- Corporate/Agency Authors:
- Biological Survey Bureau and Agriculture Department
- Publisher:
- Biological Survey Bureau
- Date:
- [Aug. 1921.]
- Corporate/Agency Authors:
- Biological Survey Bureau and Agriculture Department
- Publisher:
- Biological Survey Bureau
- Date:
- [July, 1918, reprint Aug.] 1921
- Corporate/Agency Authors:
- Biological Survey Bureau and Agriculture Department
- Publisher:
- Biological Survey Bureau
- Date:
- June 25, 1921
- Corporate/Agency Authors:
- Biological Survey Bureau and Agriculture Department
- Publisher:
- Biological Survey Bureau
- Date:
- June 6, 1921
- Corporate/Agency Authors:
- Biological Survey Bureau and Agriculture Department
- Publisher:
- Biological Survey Bureau
- Date:
- [May 6, 1912, reprint June] 1921
- Corporate/Agency Authors:
- Biological Survey Bureau and Agriculture Department
- Publisher:
- Biological Survey Bureau
- Date:
- [Apr. 1912, revised Apr. 1917, reprint June] 1921
- Corporate/Agency Authors:
- Biological Survey Bureau and Agriculture Department
- Publisher:
- Biological Survey Bureau
- Date:
- [June, 1915, revised Feb. 1918, reprint June] 1921
- Corporate/Agency Authors:
- Biological Survey Bureau and Agriculture Department
- Publisher:
- Biological Survey Bureau
- Date:
- [July, 1917, reprint June] 1921
- Corporate/Agency Authors:
- Biological Survey Bureau and Agriculture Department
- Publisher:
- Biological Survey Bureau
- Date:
- [May 14, 1914, revised Apr. 1917, reprint June] 1921