GSA Today
Volume 20, Number 4 (April/May 2010)
About the cover:
Westward-looking view of a Google Earth–based geologic map of the mountain of Knock Kilbride in the Connemara region of western Ireland. See “The digital revolution in geologic mapping” by S.J. Whitmeyer et al., p. 4–10.
© The Geological Society of America, Inc.