Exposure of waterfowl to lead: A nationwide survey of residues in wing bones of seven species, 1972-73
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Special Scientific Report - Wildlife↗
Geology topics
R.I. Smith
Publications and source records attributed to R.I. Smith.
The waterfowl hunter's perceptions of the waterfowl resource
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Transactions of the North American Wildlife and Na↗
Black duck distribution, harvest characteristics, and survival
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Special Scientific Report - Wildlife↗
Black duck harvest and population dynamics in eastern Canada and the Atlantic Flyway
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Book chapter↗
The green-winged teal: Its distribution, migration, and population dynamics
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Special Scientific Report - Wildlife↗
Prehunting season banding of mallards and black ducks: Progress report, 1959 and 1960
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Special Scientific Report - Wildlife↗