1. Geochemical Characterization of Obsidian Subsources in Highland Guatemala Open Access Author: Carr, Sean Peter Title: Geochemical Characterization of Obsidian Subsources in Highland Guatemala Graduate Program: Anthropology Keywords: ObsidianGuatemalaX-Ray FluorescenceGeographic Information SystemsGISXRF File: Download carr_final.pdf Committee Members: Kenneth Gale Hirth, Thesis Advisor/Co-Advisor