Friday, April 7 2023, 9am GG 327 Defense P-Wave Reflectivity of the Crust and Upper Mantel Beneath the Central and Eastern U.S. : Implications for Support of Mountain Topography and a New Criterion for Mapping the Base of the Continental Lithosphere. Ms. Laura Hanawalt, candidate for the master degree in Geology will defend on Friday, April 7th at 9 am. The title is "P-Wave Reflectivity of the Crust and Upper Mantel Beneath the Central and Eastern U.S. : Implications for Support of Mountain Topography and a New Criterion for Mapping the Base of the Continental Lithosphere". The defense will be held in room 327. The thesis can be reviewed in the conference room. Committee Members: Dr. Robert Hawman (major advisor) Dr. Doug Crowe Dr. Christian Klimczak