Janson, Tor. The Butterflies of Jasper and Poweshiek County: history and current management challenges. 35 p. Appendix, tables. Seminar paper for Environmental History of Poweshiek County.
Janson, Tor. The Butterflies of Jasper and Poweshiek County: history and current management challenges. 35 p. Appendix, tables. Seminar paper for Environmental History of Poweshiek County.
Janson, Tor. The Butterflies of Jasper and Poweshiek County: history and current management challenges. 35 p. Appendix, tables. Seminar paper for Environmental History of Poweshiek County.