Summer report of birds and locations contributed by Dennis Thompson. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of summer 1997.
An annotated list of birds sighted by Dennis Thompson. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of summer 1998.
Summer report of birds and locations contributed by James J. Dinsmore. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of summer 2000.
Summer report of birds and locations contributed by Mark Proescholdt. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of summer 2000.
Summer report of birds found in central Iowa contributed by Bery Engebretsen. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of summer 2000.
Summer report of birds found in central Iowa contributed by Bery Engebretsen. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of summer 2002.
Summer report of birds found in central Iowa contributed by Dennis Thompson. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of summer 2000.
Summer report of birds and locations contributed by Pam Allen and Reid I. Allen. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of summer 2000.
List of birds and locations contributed by Dennis Thompson with observer Jim Sinclair. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of fall 1995.
List of birds and locations contributed by Bery Engebretsen. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of summer 2001.
An annotated list of birds sighted by Dennis Thompson. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of summer 1999.
List of birds and locations contributed by Dennis Thompson. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of summer 2001.
List of birds and locations contributed by Dennis Thompson. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of summer 2003.
Letter from Bery Engebretsen to James J. Dinsmore regarding summer bird sightings, August 20, 1987. This item was submitted past the deadline for the Iowa Ornithologists' Union Quarterly field report of summer 1987.
