The line acquired from the Trinidad region contains data with offsets that extend to 6 km. This 2-D line was acquired in the regional subsurface dip direction. The source-to-receiver spacing ratio is three, and the maximum fold in the data is 90. Because of the large size of offsets acquired, a nonhyperbolic inversion (Alkhalifah, 1997) was used on these data. Also, many wells exist along this line; one near CMP location 1100 and another near CMP 1220, see Figure 4. The gamma-ray measurements from these wells are reliable shale-sand discriminators, and thus can be used to calibrate our results. In a previous paper (Alkhalifah and Rampton, 1997), we showed some sparse estimates from this line. In this study, we have obtained more detailed estimates of in the same region, as well as included detailed estimates from another part of the line, not shown in the earlier paper.