CRAG is an inter-disciplinary partnership of researchers at Indiana University- Bloomington who use applied geophysical methods within a variety of research objectives. CRAG seeks to advance research and applications in shallow earth geophysics by promoting collaboration and sharing of resources throughout partner organizations. CRAG members are currently located at the Indiana Geological Survey, Department of Geological Sciences and the Glenn Black Laboratory of Archaeology with website and administrative support provided by the Indiana Geological Survey.