This report consists of three parts. Part 1, 'Construction of Regional Ground Truth Data Bases Using Seismic And Infrasound Data' is by Gordon Sorrells, Eugene Herrin, and Jessie Bonner with contributions from Jack Swanson, Sarah Deering and Angela Maddox. Part 2, 'Seismic And Infrasound Data Observations At TXAR' is by Jessie Bonner, Sarah Deering, Tao Liu, Jack Swanson and Ileana Tibuleac. Part 3, consists of the Acknowledgments called for by the contract.