Title Genres Topics Date (Start) Date (End)
Principal waterfowl flyways, Fall migration Maps (documents) Birds--Migration Flyways N/A N/A
Lantern slide of a Bobolink range map Lantern slides Maps (documents) Birds--Migration N/A N/A
Lantern slide of a Golden Plover range map Lantern slides Maps (documents) Birds--Migration N/A N/A
Lantern slide of an Arctic Tern range map Lantern slides Maps (documents) Birds--Migration N/A N/A
Lantern slide of a Red-eyed Vireo range map Lantern slides Maps (documents) Birds--Migration N/A N/A
Lantern slide of a Grosbeak range map Lantern slides Maps (documents) Birds--Migration Passeriformes | Perching-birds and songbirds N/A N/A
Lantern slide of a Canada Goose migration route map Lantern slides Maps (documents) Birds--Migration N/A N/A
Lantern slide of a Redstart range map Lantern slides Maps (documents) Birds--Migration N/A N/A
Lantern slide of a Tanager range map Lantern slides Maps (documents) Birds--Migration Thraupidae | Tanagers N/A N/A
Annotated copy of Polk County check-list of the observations of members of the Des Moines Audubon Society, 1959 Checklists Field notes Maps (documents) Bird watching Birds--Migration Birds--Research 1949-06-05 1973-04-17
Polk County check-list of the observations of members of the Des Moines Audubon Society Checklists Field notes Maps (documents) Bird watching Birds--Migration Birds--Research 1973-11-01 1973-11-30
Gladys Black letter, field notes and map to Vernon M. Kleen regarding fall migration, 1975, Red Rock Lake and Refuge, December 10, 1975 Correspondence Field notes Maps (documents) Bird populations Bird watching Birds--Migration Birds--Research Habitat (Ecology) Ornithology--Methodology Power-plants 1975-12-10 N/A