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- Corporate/Agency Authors:
- Entomology Bureau and Agriculture Department
- Publisher:
- Entomology Bureau
- Date:
- [Apr. 1920.]
- Corporate/Agency Authors:
- Animal Industry Bureau and Agriculture Department
- Publisher:
- Animal Industry Bureau
- Date:
- Revised Apr. 1920. 1920
- Corporate/Agency Authors:
- Plant Industry Bureau and Agriculture Department
- Publisher:
- Plant Industry Bureau
- Date:
- Feb. 1914, revised Apr. 1920. 1920
- Corporate/Agency Authors:
- Standards Bureau and Commerce Department
- Publisher:
- Standards Bureau
- Date:
- 2d [edition], Apr. 1, 1920. [1920.]
- Corporate/Agency Authors:
- Plant Industry Bureau and Agriculture Department
- Publisher:
- Plant Industry Bureau
- Date:
- Apr. 1920
- Corporate/Agency Authors:
- Topography Divison
- Publisher:
- Topography Divison
- Date:
- [April 1920]
- Corporate/Agency Authors:
- Geological Survey and Interior Department
- Publisher:
- Geological Survey
- Date:
- Mar. 31, 1920
- Corporate/Agency Authors:
- Northern and Northwestern Lake Survey
- Publisher:
- Northern and Northwestern Lake Survey
- Date:
- Mar. 31, 1920
- Corporate/Agency Authors:
- Census Bureau and Commerce Department
- Publisher:
- Census Bureau
- Date:
- Mar. 31, 1920
- Corporate/Agency Authors:
- Geological Survey and Interior Department
- Publisher:
- Geological Survey
- Date:
- Mar. 31, 1920