[051-13]Notes on a Wintering Flock of Long-eared Owls
Birkenholz, Dale Notes on a Wintering Flock of Long-eared Owls 051-13-print
[055-03]Response of Bobwhite Quail to Management on some Illinois Strip-mined Lands
Vohs, Paul, Jr. and Birkenholz, Dale E. Response of Bobwhite Quail to Management on some Illinois Strip-mined Lands 055-03-print
[060-04] The Harvest Mouse (Reithrodontomys megalotis) in Central Illinois
Birkenholz, Dale E. The Harvest Mouse (Reithrodontomys megalotis) in Central Illinois 060-04-print
[065-16] First Illinois Specimen of the Rock Wren
Birkenholz, Dale E. and R.D. Weigel First Illinois Specimen of the Rock Wren 065-16-print
[068-50] The Effects of Agricultural Run-Off and Siltation on a New Recreational Lake
Sievert, Allen C., Thomas A. Nelson, Jerry M. Fioramonti, Debra J. Gillard, Glen L. Hortin, Linda S. Johnston, Steven W. O’Neal, Steven J. Rakow, Jo Marie Simkins, Dale Birkenholz, and Michael E. Kurz The Effects of Agricultural Run-Off and Siltation on a New Recreational Lake 068-50-print
[068-43] An Expansion of Range of the Redear Sunfish, Lepomis microlophus, in the Embarras River Basin
Brown, Lauren E. and Dale E. Birkenholz An Expansion of Range of the Redear Sunfish, Lepomis microlophus, in the Embarras River Basin 068-43-print
[068-05] Ecological Notes on Isolated States of Quaking Aspen in Central Illinois
Brown, Lauren E. and Dale E. Birkenholz Ecological Notes on Isolated States of Quaking Aspen in Central Illinois 068-05-print