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Aerial surveys of cliff-nesting raptors in the National Petroleum Reserve--Alaska, 1999, with comparisons to 1977 / by Robert J. Ritchie, Ann M. Wildman, and David A. Yokel.
- Format:
- Book
- Government document
- Author/Creator:
- Ritchie, Robert J., 1949-
- Yokel, David A., 1952- author.
- Series:
- Technical note (United States. Bureau of Land Management) ; 413.
- Technical note ; 413
- Language:
- English
- Subjects (All):
- Birds of prey--Alaska--National Petroleum Reserve.
- Birds of prey.
- Bird surveys--Alaska--National Petroleum Reserve.
- Bird surveys.
- National Petroleum Reserve (Alaska).
- Alaska--National Petroleum Reserve.
- Physical Description:
- 1 online resource (vii, 66 pages) : digital, PDF file.
- Place of Publication:
- Fairbanks, Alaska : U.S. Dept. of the Interior, Bureau of Land Management, [2003]
- Notes:
- Title from title screen (viewed Mar. 9, 2011).
- "December 2003."
- Includes bibliographical references (pages 47-54).
- "BLM/AK/ST-03/016+6501+023."
- Other Format:
- Paper version: Ritchie, Robert J., 1949- Aerial surveys of cliff-nesting raptors in the National Petroleum Reserve--Alaska, 1999, with comparisons to 1977
- OCLC:
- 77500905
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