Rebuttal of Sweatman, Powell, and West’s “Rejection of Holliday et al.’s alleged refutation of the Younger Dryas Impact Hypothesis”

V. T Holliday, Tyrone L. Daulton, Patrick J. Bartlein, M. Boslough, Ryan Breslawski, Abigail Fisher, Ian Jorgeson, Andrew Cunningham Scott, Christian Koeberl, Jennifer Marlon, Jeffrey Severinghaus, Michail I. Petaev, P. Claeys