Title Genres Topics Date (Start) Date (End)
Iowa Birdline Annual Report, 1993 Annual reports Wildlife-related recreation Citizen science 1993-01-01 1993-12-31
Iowa Birdline Annual Report, 1992 Annual reports Wildlife-related recreation Citizen science 1992-01-01 1992-12-31
Iowa Birdline Annual Report, 1990 Annual reports Wildlife-related recreation Citizen science 1990-01-01 1990-12-31
Inspection tour of Iowa lakes Reports Birds--Counting Hunting Wildlife-related recreation surveys Lakes--Iowa 1934-10-02 1934-10-04
Field trip by Philip A. DuMont Reports Birds--Counting Wildlife conservation Wildlife-related recreation surveys Parks--Iowa Natural areas 1934-09-12 1934-09-22