Havera, Stephen P books & textbook
Waterfowl of Illinois Abbreviated Field Guide
Illinois Natural History Survey /1999T Paperback / 80 Pages
isbn-10: 1882932021 / isbn-13: 9781882932023
Waterfowl of Illinois Status and Management SIGNED
Illinois Natural History Survey /1999T Hardcover
Waterfowl of Illinois by Stephen P. Havera (1998-06-04)
Phoenix Pub / Hardcover
Lead poisoning in Illinois waterfowl (1977-1988) and the inplementation of nontoxic shot regulations
Illinois. Natural History Survey Division, . Havera, Stephen P Anderson, William L
Ulan Press /2012-11-01 Paperback / 46 Pages
Distribution and abundance of winter populations of bald eagles in Illinois
Kruse, Glen W Havera, Stephen P
Ulan Press /2012-09-23 Paperback / 38 Pages