The Manson Impact Structure, Iowa: Anatomy of an Impact Crater, Issue 302

250 Million Years of Earth History in Central Italy: Celebrating 25 Years of the Geological Observatory of Coldigioco

Large Meteorite Impacts and Planetary Evolution VI

From the Guajira Desert to the Apennines, and from Mediterranean Microplates to the Mexican Killer Asteroid: Honoring the Career of Walter Alvarez

Field Excursions from the 2021 GSA Section Meetings