2021 DATA UPDATES RECENT (2021) UPDATES of MY AMATEUR IMPACT CRATER/STRUCTURE EXPLORATIONS by: Charles O’Dale FEBRUARY MEREWETHER ANALOG – Methane explosion? GLASFORD STRUCTURE: PDF study SKELETON LAKE STRUCTURE: Magnetic profile update. UPDATE ARCHIVES 2020 2019 2018 2017 2016 2015 2014 “We, all of us, are what happens when a primordial mixture of hydrogen and helium evolves for so long that it begins to ask where it came from.” Jill Tarter CANADIAN CRATERS