Title Genres Topics Date (Start) Date (End)
Frederic Leopold letter to the editor of the St. Paul Pioneer Press Dispatch regarding hunting and the effect on duck populations, April 27, 1988 Correspondence Birds--Conservation Hunting--Moral and ethical aspects Wildlife habitat improvement Waterfowl management Duck populations 1988-04-27 N/A
Frederic Leopold letter to A.S. Hawkins regarding hunting and the effect on duck populations, January 13, 1988 Correspondence Birds--Conservation Birds--Habitat Hunting--Moral and ethical aspects Wildlife habitat improvement Waterfowl management Duck populations 1988-01-13 N/A
Nesting Wood Duck study (35 Years) Reports Tables (documents) Birds--Eggs Birds--Nests Birds--Research Ornithology--Methodology Birdhouses Predatory animals Waterfowl management Eggs--Incubation Ducks--Counting Ducklings Wood duck--Behavior 1984-01-01 1984-12-31
A plan to save our ducks Reports Essays Birds--Conservation Birds--Habitat Wildlife conservation--Law and legislation Waterfowl management Duck populations N/A N/A