Title Genres Topics Date (Start) Date (End)
1990 Breeding Bird Atlas block assignments Research notes Bird surveys Environmental monitoring 1990-06-13 N/A
Letter to Carol A. Thompson regarding work on Breeding Bird Atlas, October 22, 1991 Correspondence Research notes Bird populations Bird surveys Environmental monitoring 1991-10-22 N/A
Letter to Carol A. Thompson regarding work on Breeding Bird Atlas, October 11, 1991 Correspondence Research notes Bird populations Bird surveys Environmental monitoring 1991-10-11 N/A
Breeding Bird Atlas results Research notes Bird populations Bird surveys Environmental monitoring 1991-09-10 N/A
Breeding Bird Atlas block research data Research notes Bird populations Bird surveys Birds--Counting Environmental monitoring 1990-01-01 1991-12-31
Breeding bird survey routes in Breeding Bird Atlas blocks Research notes Bird surveys Environmental monitoring 1991-05-01 1991-05-31
Bird species confirmed nesting in Iowa for Iowa Breeding Bird Atlas Research notes Bird populations Bird surveys Birds--Counting Environmental monitoring 1990-05-30 N/A
Breeding Bird Atlas update Research notes Bird populations Bird surveys Environmental monitoring 1990-05-11 N/A
Breeding Bird Atlas block status update, March 24, 1989 Research notes Birding sites Birds--Habitat Ornithology--Societies, etc 1989-03-24 N/A
Maps of Mills County Breeding Bird Atlas blocks Maps (documents) Research notes Birding sites Birds--Habitat Ornithology--Societies, etc N/A N/A
Breeding Bird Atlas list of Iowa counties Research notes Birding sites Birds--Habitat Ornithology--Societies, etc 1989-01-01 1989-12-31
Breeding Bird Atlas block status update, March 24, 1989 Research notes Birding sites Birds--Habitat Ornithology--Societies, etc 1989-03-24 N/A
Breeding Bird Atlas research notes through 1988 Maps (documents) Research notes Bird populations Birds--Counting Birds--Habitat Birds--Identification Ornithology--Societies, etc 1988-01-01 1988-12-31
Hairy Woodpecker logs, Woodward Hart Brown, 1950-1977 Field notes Research notes Surveys (documents) Bird surveys Bird watching Birds--Counting Weather 1950-01-01 1977-12-31
Specimens of Savannah Sparrow Research notes Ornithology--Study and teaching Birds--Collection and preservation N/A N/A
Specimens of Grasshopper Sparrow Research notes Ornithology--Study and teaching Birds--Collection and preservation N/A N/A
Savannah Sparrows sent to J. Grinnell Research notes Ornithology--Study and teaching Birds--Collection and preservation N/A N/A
Additional specimens of Savannah Sparrow Research notes Ornithology--Study and teaching Birds--Collection and preservation 1934-04-09 1934-04-10
Arrival dates of water birds Research notes Bird watching Birds--Geographical distribution Birds--Migration Charadriiformes | Shore-birds, Gulls, and Auks Water birds N/A N/A
Permanent residents Research notes Bird watching Birds--Geographical distribution N/A N/A
Winter visitors Research notes Bird watching Birds--Geographical distribution Winter N/A N/A
Species considered extinct in Iowa Research notes Bird watching Birds--Geographical distribution Extinct birds Rare birds Birds--Collection and preservation N/A N/A
Specimens in Iowa collections to be considered as accidental Research notes Birds--Geographical distribution Rare birds Zoological specimens N/A N/A
Material to find in Iowa Research notes Birds--Geographical distribution Birds--Collection and preservation N/A N/A
A list of birds in "Birds of Iowa" which lack Iowa specimens Research notes Bird watching Birds--Geographical distribution Zoological specimens N/A N/A