1. Department of Geology and Geophysics; Frederick Albert Sutton Building, 115 S. 1460 E Room 499, University of Utah; Salt Lake City Utah 84112 USA
2. Indiana Geological Survey; Indiana University; Bloomington Indiana USA
3. Department of Biology; University of Utah; Salt Lake City Utah USA
4. Department of Geology and Geophysics; University of Utah; Salt Lake City Utah USA