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i~ <br />Thickness <br />in feet <br />Recent 0 - 50 <br />Tertiary <br />0 - 510 <br />,, <br />- -~- <br />Upper <br />• Creta- <br />_ ceous <br />---- 72-410 <br /> <br />• <br />Formation <br />Alluvium <br /> <br />Description <br />Conglomeratic sandstone at base; <br />alternating sandstone, shale, <br />Raton siltstone, and coal <br />Formation Coal seams include the "A" seam <br />(RobinsonY) and Mutual. <br />Buff, gray, and gray-green, <br />slightly arkosic sandstone; buff <br />and gray siltstone; gray to <br />nearly black carbonaceous and <br />Vermejo silty shale, and coal. Coal <br />Formation <br />seams include the Cameron, Lenox <br />and Walsen in ascending order. <br />I Bottom Trinidad Light-gray to buff sandstone <br /> not exposed Sandstone <br /> covered ~ sandstone ~ shale ~ coal <br />Figure 2.04.b-2. Generalized Columnar Section of the upper Cretaceous <br />and Tertiary Formations in the Pryor Mine Area. <br />JFSA - 18a ~.~~ <br />J. F. SATO & ASSOCIATES, INC. <br />