Waterfowl status report, 1968
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Special Scientific Report - Wildlife↗
Geology topics
R. Kahler Martinson
Publications and source records attributed to R. Kahler Martinson.
Factors influencing waterfowl counts on aerial surveys, 1961-66
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Special Scientific Report - Wildlife↗
Retention of extra-wide, lock-on, and regular bands on waterfowl
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Special Scientific Report - Wildlife↗