Title Genres Topics Date (Start) Date (End)
Frederic Leopold letter to the Des Moines County Conservation Board regarding Wood Duck houses, April 21, 1970 Correspondence Bird watching Birdhouses Duck populations 1970-04-21 N/A
Special spring bird census flyer Correspondence Fliers (printed matter) Bird surveys Bird watching Birds--Counting Birds--Migration 1970-05-10 N/A
John C. Welter letter and attached list to Frederic Leopold regarding Wood Duck houses, May 14, 1970 Correspondence Bird watching Birdhouses 1970-05-14 N/A
Letter from Wilma Walton with an enclosed letter from Ronald Wright to Frederic Leopold regarding Wood Ducks, May 28, 1970 Correspondence Bird watching Ornithology--Study and teaching Country life Birdhouses--Design and construction 1970-05-28 N/A
Gladys Black letter to Peter C. Petersen regarding spring migration at Red Rock Refuge, June 12, 1970 Correspondence Field notes Bird watching Birds--Counting Birds--Migration Birds--Nests 1970-06-12 N/A
Audubon field notes, fall 1970 Field notes Bird watching Birds--Migration Weather 1970-08-01 1970-11-30
Records Committee review for rare bird sighting of Band-tailed Pigeon west of Fort Dodge, 1970 Administrative records Clippings (information artifacts) Correspondence Field notes Bird watching Ornithology Ornithology--Societies, etc 1970-09-05 1995-02-22
Iowa Ornithologists' Union, field report compiled data, Greater White-fronted Goose, 1970-1983 Field notes Bird watching Birds--Counting Birds--Research 1970-11-17 1983-05-04
Audubon field notes, winter 1970-1971, and Woodward H. Brown letter to Vernon M. Kleen regarding reporting practices, March 29, 1971 Correspondence Field notes Bird watching Ornithology--Periodicals Publishers and publishing 1970-12-01 1971-03-29
Report from Red Rock Refuge and Lake area, Pleasantville, Iowa, winter season, December 1970-March 1971 Field notes Bird watching Birds--Migration Anseriformes | Ducks, Geese, and Swans Weather 1970-12-01 1971-03-31
Winter censuses, Ames, Iowa, January-March 1971 Field notes Charts (graphic documents) Bird watching Birds--Counting Birds--Migration 1971-01-16 1971-03-07
Ames Audubon Newsletter, February 1971 Newsletters Bird surveys Bird watching Birds--Counting Habitat (Ecology) Ornithology--Societies, etc 1971-02-01 1971-02-28
Spring migration 1971, Red Rock Refuge and Pleasantville area, Marion County, Iowa Field notes Bird watching Birds--Migration 1971-03-01 1971-05-31
Field notes for spring season 1971 Correspondence Field notes Bird watching 1971-03-01 1971-05-31
Ames Audubon, April 1971 Newsletters Bird watching Ornithology--Societies, etc Meetings 1971-04-01 1971-04-30
Gladys Black letter to Vernon M. Kleen regarding changes in habitat and birds sighted at Red Rock Refuge during 1968-1970, April 7, 1971 Correspondence Field notes Bird watching Birds--Habitat Birds--Nests 1971-04-07 N/A
Lillian Serbousek letter to Lee Bush, regarding a Varied Thrush wintering in Cedar Rapids area in 1971, April 7, 1971 Correspondence Bird watching Rare birds 1971-04-07 N/A
Gladys Black letter to Vernon Kleen regarding activities of Iowa Ornithologists' Union members, April 24, 1971 Correspondence Bird watching Birds--Behavior Rare birds 1971-04-24 N/A
Field notes for summer season 1971 Correspondence Field notes Bird watching Vireonidae | Vireos 1971-06-01 1971-07-31
Nesting season 1971, Pleasantville, Marion County, Iowa and Red Rock Refuge Field notes Bird watching Birds--Nests 1971-06-01 1971-07-31
Peter C. Petersen letter to Vernon M. Kleen regarding spring migration 1971, June 5, 1971 Correspondence Bird watching Birds--Migration Tyrannidae | Flycatchers 1971-06-05 N/A
Woodward H. Brown letter to Vernon M. Kleen regarding locations of bird sightings, June 10, 1971 Correspondence Bird watching 1971-06-10 N/A
Darwin Koenig letter to Woodward H. Brown regarding birds sighted, fall 1971 Correspondence Bird watching 1971-08-01 1971-11-30
Field notes from Frederick W. Kent, Iowa City, fall 1971 Field notes Bird watching Birds--Migration Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers 1971-08-01 1971-11-30
Fall migration, Iowa, 1971 Field notes Bird watching Birds--Migration Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers Weather 1971-08-01 1971-11-30