Document
1991/04/08: Memo from Gerard T. Donnelly to George Ware, Duane Henry, and Craig JohnsonApril 8 1991
Donnelly, Gerard T.
Article
An Approach to Delineation and Quality Assessment of Wetlands in the Chicago Region1989
Wilhelm, Gerould
Serial
Branches: Newsletter of the Volunteers of the Morton Arboretum, Autumn 19901990
Way, Carol, Halperin, Marilyn J.
Serial
Branches: Newsletter of the Volunteers of The Morton Arboretum, Autumn 19911991
Stowell, Gladys
Photographic image
Christopher Dunn addressing group at Swink-Wilhelm book signing at Thornhill - closeup shot (Jerry Wilhelm and Floyd Swink seated)September 9 1994
Nachel, Jim
Document
Conservation Project Support: Final Performance Report, Institute of Museum ServicesMay 31 1991
Donnelly, Gerard T.
Document
Des Plaines River Wetlands Demonstration Project: Seed Bank StudyJanuary 1988
Mengler, Jeff, Wilhelm, Gerould
Article
Des Plaines River Wetlands Demonstration Project: Seed Bank Study, Preliminary Results1987
Wilhelm, Gerould, Mengler, Jeff
Article
Earthworm Bioassay Procedures to Evaluate the Extent of Aerially Dispersed Lead and Cadmium in an Urban Arboretum1986
Wilhelm, Gerould, Kelsey, Pat
Document
Establishment of a Native Midwestern Plant Community through Relocation of Marsh Topsoil (Draft v. 2)1987
Wilhelm, Gerould
Document
Establishment of a Native Midwestern Plant Community through Relocation of Marsh Topsoil (Draft)1987
Wilhelm, Gerould
Article
Establishment of a Native Midwestern Wetland Plant Community Through Relocation of Marsh Topsoil 1987
Wilhelm, Gerould, Rogner, John, Lampa, Wayne
Photographic image
Floyd Swink and Gerry Wilhelm in Herbarium reviewing specimens at table
Photographic image
Floyd Swink and Gerry Wilhelm in Herbarium reviewing specimens at table
Photographic image
Floyd Swink and Gerry Wilhelm reviewing documents at desk
Photographic image
Gerry Wilhelm signing book at Swink-Wilhelm book signing at ThornhillSeptember 9 1994
Nachel, Jim
Document
Hidden Lake, Long Marsh, 4 Transects Combined, October 1, 1991October 1 1991
Wilhelm, Gerould, Lampa, Wayne