1. A STUDY OF SUGAR MAPLE (ACER SACCHARUM MARSH) DECLINE DURING 1979 TO 1989 IN NORTHERN PENNSYLVANIA Open Access Author: Drohan, Patrick Title: A STUDY OF SUGAR MAPLE (ACER SACCHARUM MARSH) DECLINE DURING 1979 TO 1989 IN NORTHERN PENNSYLVANIA Graduate Program: Soil Science Keywords: declinesoilpennsylvaniachemistrysugar maple File: Download Thesis.PDF Committee Members: Edward John Ciolkosz, Committee MemberDavid Russell Dewalle, Committee MemberSusan L Stout, Committee MemberRick Lane Day, Committee MemberGary Walter Petersen, Committee Chair/Co-Chair
