Advanced Muck Pile Characterization for Optimized Blast Design and Excavator Loading Efficiency: A Synergistic Approach Using UAVs, PCA, and AI Journal title: GeoStruct Innovations Authors: Nidumukkala Sri Chandrahas, Yewuhalashet Fissha, Nageswara Rao Cheepurupalli Subject(s): Geology, Geotechnical Engineering, Structural Geology