T. Coffelt No description specified. 1-5 (5 Records) Documents Line C-2 (Presented In 4 Segments) For Grant Geophysical (1983) Line J-2 (Presented In 6 Segments) For Grant Geophysical (1983) Line M-3 (Presented In 6 Segments) For Grant Geophysical (1983) Line Mm-2 (Presented In 3 Segments) For Exxon (1983) Line N-3 For Grant Geophysical (1983)