Digital subsurface data from previously published contoured maps of the top of the Dakota Sandstone, Uinta and Piceance basins, Utah and Colorado

The top of the Upper Cretaceous Dakota Sandstone is present in the subsurface throughout the Uinta and Piceance basins of UT and CO and is easily recognized in the...上白垩统达科他砂岩（Dakota Sandstone）的顶部在犹他州（UT）与科罗拉多州（CO）的尤因塔盆地和皮斯安斯盆地的地下地层中均有分布，且在……中易于识别。