Pence, AlanGeary, ElaineBjorkman, DorisBunn, G.Bunn, R.Pence, A.Geary, E.Bjorkman, D.Weimer, H.Weimer, N.Claassen, O.Mcelhanon, K.2021-12-022021-12-02858830019PL-A23.8http://hdl.handle.net/1885/254287application/pdf© 1970 Alan Pence, Elaine Geary, Doris Bjorkmanhttp://creativecommons.org/licenses/by-sa/4.0197010.15144/PL-A23.8 2021-12-02Attribution-ShareAlike 4.0 International (CC BY-SA 4.0)