HI all,
we are doing some research on gastropods in the permian, and have not had much luck finding this very important reference on line. Can any one point us in the right direction? Maybe you have a PDF?
Supal Formation (Permian) of Eastern Arizona. Geological Society of America Memoir 89. Stephen S. Winters. Geological Society of America, New York, 1963. viii + 99 pp. Illus