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- Corporate/Agency Authors:
- National Park Service and Interior Dept.
- Publisher:
- National Park Service
- Date:
- [Revised 1949.] [1949.]
- SuDoc number:
- I 20.21:W 16/2/949
- Corporate/Agency Authors:
- National Park Service and Interior Dept.
- Publisher:
- National Park Service
- Date:
- [Revised 1949.] [1949.]
- SuDoc number:
- I 29.21:W 58/3/949
- Corporate/Agency Authors:
- National Park Service and Interior Dept.
- Publisher:
- National Park Service
- Date:
- [Revised 1949.] [1949.]
- SuDoc number:
- I 29.24:W 96/2/949
- Corporate/Agency Authors:
- National Park Service and Interior Dept.
- Publisher:
- National Park Service
- Date:
- [Revised 1949.] [1949.]
- SuDoc number:
- I 29.6:Y 319/949
- Corporate/Agency Authors:
- National Park Service and Interior Dept.
- Publisher:
- National Park Service
- Date:
- Revised 1949. [1949.]
- SuDoc number:
- I 29.6:Y 8/9/949
- Corporate/Agency Authors:
- National Park Service and Interior Dept.
- Publisher:
- National Park Service
- Date:
- [Revised 1949.] [1949.]
- SuDoc number:
- I 29.6:Z 6/4/949
- Corporate/Agency Authors:
- National Park Service and Interior Dept.
- Publisher:
- National Park Service
- Date:
- June 1948
- SuDoc number:
- I 29.2:St 2/2/947
- Corporate/Agency Authors:
- National Park Service and Interior Dept.
- Publisher:
- National Park Service
- Date:
- June 1948
- SuDoc number:
- I 29.2:St 2/2/948
- Corporate/Agency Authors:
- National Park Service and Interior Dept.
- Publisher:
- National Park Service
- Date:
- [Revised Apr. 1948.] [1948.]
- SuDoc number:
- I 29.21:Ap 6/948
- Corporate/Agency Authors:
- National Park Service and Interior Dept.
- Publisher:
- National Park Service
- Date:
- [Reprint with slight changes, Mar. 1948.]
- SuDoc number:
- I 20.21:M 83/2/947/rep.