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GSA Today - Vol. 18, 2008
April/May Full Issue (6 MB) Contents	Science Article Only:     Temporal evolution of continental lithospheric strength in actively deforming regions Wayne Thatcher and Fred F. Pollitz
March Full Issue (2.3 MB) Contents	Science Article Only:     The mystery of the pre–Grand Canyon Colorado River—Results from the Muddy Creek Formation Joel L. Pederson
February Full Issue (2.7 MB) Contents	Science Article Only:     Are we now living in the Anthropocene Jan Zalasiewicz, Mark Williams, Alan Smith, Tiffany L. Barry, Angela L. Coe, Paul R. Bown, Patrick Brenchley, David Cantrill, Andrew Gale, Philip Gibbard, F. John Gregory, Mark W. Hounslow, Andrew C. Kerr, Paul Pearson, Robert Knox, John Powell, Colin Waters, John Marshall, Michael Oates, Peter Rawson, and Philip Stone
January Full Issue (4.4 MB) Contents	2007 GSA Annual Meeting Presidential Address:     There's Adventure in Geology John M. Sharp Jr.

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Last Revised on 1 May, 2008