The Compass: Earth Science Journal of Sigma Gamma Epsilon is the peer-reviewed, official publication of the Society of Sigma Gamma Epsilon, an Earth Science honorary founded on March 30, 1915, at The University of Kansas. The Society was established to recognize scholarship and professionalism in the Earth Sciences with the objectives of scholastic, scientific, and professional advancement of its members and the extension of relations of friendship and assistance among colleges and universities which are devoted to the advancement of the Earth Sciences.

Current Issue: Volume 88, Issue 1 (2016)

Claw marks of a swimming reptile in the Moenkopi Formation in Capitol Reef National Park, Utah. The offset in the claw marks indicated that the reptile was swimming across a current, which was flowing left to right. Photo by Larry Davis.


Claw Marks Photo


Larry E. Davis
Aaron W. Johnson
James C. Walters