Duck stamps sold within States and counties during sales years 1971-72 through 1980-81
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Special Scientific Report - Wildlife↗
Geology topics
Michael F. Sorensen
Publications and source records attributed to Michael F. Sorensen.
Duck stamps sold within States and counties during sales years 1966-67 through 1975-75.
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Special Scientific Report - Wildlife↗
Distribution in States and counties of waterfowl species harvested during 1961-70 hunting seasons.
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Special Scientific Report - Wildlife↗