1. P-wave Velocity Structure of the Shale Hills Watershed, Pennsylvania Open Access Author: Ma, Lisa Title: P-wave Velocity Structure of the Shale Hills Watershed, Pennsylvania Graduate Program: Geosciences Keywords: critical zone observatorycritical zoneczoSusquehannaShale HillsP-wavevelocity structureshallow subsurfacegeophysicstomographyvelocity2Dtwo dimensionalseismic refractionFASTregolithsonic logsboreholesfrost-crackingdissolution of chloritepyrite oxidation File: Download LM_ms_thesis_0914.pdf Committee Members: Andrew Arnold Nyblade, Thesis Advisor/Co-AdvisorSusan Louise Brantley, Committee MemberCharles James Ammon, Committee MemberMark E Patzkowsky, Program Head/Chair