https://www.usgs.gov/maps/isopach-and-structure-contour-maps-burro-canyon-formation-chama-el-vado-area-chama-basin-new
Isopach and structure contour maps of the Burro Canyon(?) Formation in the Chama-El Vado Area,...
In the Chama Basin a wequence of conglomerate, sandstone, and red, gray-green, and pale-purple mudstone occurs stratigraphically between the Upper Jurassic...