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- Corporate/Agency Authors:
- National Park Service and Interior Dept.
- Publisher:
- National Park Service
- Date:
- [Reprint with changes 1951.]
- SuDoc number:
- I 29.21:T 48/3/951
- Corporate/Agency Authors:
- Mines Bureau and Interior Dept.
- Publisher:
- Mines Bureau
- Date:
- [1951.]
- SuDoc number:
- I 28.96:1-2
- Corporate/Agency Authors:
- National Park Service and Interior Dept.
- Publisher:
- National Park Service
- Date:
- [Revised 1951.] [1951.]
- SuDoc number:
- I 29.21:T 61/2/950
- Corporate/Agency Authors:
- Geological Survey and Interior Dept.
- Publisher:
- Geological Survey
- Date:
- edition of 1951
- SuDoc number:
- I 19.12:1 C 678/951
- Corporate/Agency Authors:
- Geological Survey and Interior Dept.
- Publisher:
- Geological Survey
- Date:
- 1951
- SuDoc number:
- I 19.12:1 C 835/951
- Corporate/Agency Authors:
- Geological Survey and Interior Dept.
- Publisher:
- Geological Survey
- Date:
- 1951
- SuDoc number:
- I 19.12:1 H 289/951
- Corporate/Agency Authors:
- Geological Survey and Interior Dept.
- Publisher:
- Geological Survey
- Date:
- 1951
- SuDoc number:
- I 19.12:1 H 559/951
- Corporate/Agency Authors:
- Geological Survey and Interior Dept.
- Publisher:
- Geological Survey
- Date:
- 1951
- SuDoc number:
- I 19.12:1 M 393/951
- Corporate/Agency Authors:
- Geological Survey and Interior Dept.
- Publisher:
- Geological Survey
- Date:
- edition of 1951
- SuDoc number:
- I 19.12:10a 4/951
- Corporate/Agency Authors:
- Geological Survey and Interior Dept.
- Publisher:
- Geological Survey
- Date:
- 1951
- SuDoc number:
- I 19.12:1 R 482/951