1. Department of Earth and Environmental Science; New Mexico Institute of Mining and Technology; 801 Leroy Place Socorro NM 87801.
2. Indiana Geological Survey; Indiana University; 611 North Walnut Grove Bloomington IN 47405-2208.
3. Department of Civil Engineering; Princeton University; E-208 E-Quad Princeton NJ 08544.
4. Los Alamos National Laboratory; EES-16 Los Alamos NM 87545.
5. Department of Earth and Atmospheric Sciences; Purdue University; 550 Stadium Mall Drive West Lafayette IN 47907.
6. Department of Geology; Utah State University; Logan UT 84322-4505.
7. Sandia National Laboratory; Albuquerque NM.