4982443
9780813538310
Carl S. Oplinger is professor emeritus at Muhlenberg College Robert Halma taught botany, ecology, and geology at Cedar Crest College in Allentown, PennsylvaniaOplinger, Carl S. is the author of 'Poconos An Illustrated Natural History Guide' with ISBN 9780813538310 and ISBN 0813538319.
[read more]