1. ATTACHMENT G-1 - INVESTIGATION REPORT FOR LOWER SANDIA CANYON AGGREGATE AREA, REVISION 1 (WCSF - EP2010-0246) Document(s) Author: Rich, Kent C ; Krause, Kevin B ; Le Scouarnec, Jean-Michel ; Elicio, Andy U ; Coriz, Michelle L Number: ERID-205989-AttG-1 ; 2011