Volume 25, Issue 9
GSA Today : September 2015 Issue
Groundwork
Rock Stars
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Science
In this issue
Science
Aeromagnetic Discovery of a Baltimore Gneiss Dome in the Piedmont of Northwestern Delaware and Southeastern Pennsylvania
Michael W. Higgins, George W. Fisher, Isidore Zietz
• Volume 25, Issue 9
Groundwork
The Snowmastodon Project: Cutting-edge science on the blade of a bulldozer
Jeffrey S. Pigati, Ian M. Miller, Kirk R. Johnson
• Volume 25, Issue 9
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Comment: Is the Anthropocene an issue of stratigraphy or pop culture?
Jan Zalasiewicz, Alejandro Cearreta, Paul Crutzen, Erle Ellis, Michael Ellis, Jacques Grinevald, John McNeill, Clément Poirier, Simon Price, Dan Richter, Mary Scholes, Will Steffen, Davor Vidas, Colin Waters, Mark Williams, and Alexander P. Wolfe
• Volume 25, Issue 9
Rock Stars
