Geophysical Institute and Department of Geology and Geophysics, 903 Koyukuk Drive, University of Alaska, Fairbanks, Fairbanks, AK 99775-7320 United States
Geophysical Institute and Department of Geology and Geophysics, 903 Koyukuk Drive, University of Alaska, Fairbanks, Fairbanks, AK 99775-7320 United States
Department of Petroleum Engineering and the Geophysical Institute, 425 Duckering Bldg, University of Alaska, Fairbanks, Fairbanks, AK 99775-5880 United States
U.S. Geological Survey, Denver Federal Center Box 25046, MS-939, Denver, CO 80225 United States