The Geological Society of America

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The Geological Society of America provides access to elements that are essential to the professional growth of earth scientists at all levels of expertise and from all sectors: academic, government, business, and industry.
Methane seeps as ammonite habitats in the U.S. Western Interior Seaway revealed by isotopic analyses of well-preserved shell material
N. H. Landman
Geology(2012), 40(6):507
http://dx.doi.org/10.1130/G32782.1

The Geological Society of America
The Geological Society of America
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GeoScience World