1. Department of Earth, Environmental, and Planetary Sciences Rice University Houston TX USA
2. Lawrence Berkeley National Laboratory Berkeley CA USA
3. Fiber Sense Ltd. Mosman NSW Australia
4. Visier Inc. Vancouver BC Canada
5. Class VI Solutions Inc. Oakland CA USA
6. U.S. Geological Survey, Geology, Geophysics, and Geochemistry Science Center Denver CO USA
7. U.S. Army Cold Regions Research and Engineering Laboratory (CRREL) Fairbanks AK USA