Cross sections A-A' and B-B' show the stratigraphic framework of Upper Cretaceous rocks in part of the Piceance basin, northwestern Colorado. This Laramide basin is asymmetric in shape and has a gently dipping western flank and a steeply dipping eastern flank. The basin is bounded by the Uinta uplift to the northwest, the Douglas Creek arch to the west, the Axial Basin uplift to the north, the W

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Controlled photomosaic and revised shaded relief of the Amenthes Quadrangle of Mars

Controlled photomosaic of part of the Kasei Valles Region of Mars

Controlled photomosaic of part of the Kasei Valles Region of Mars

Controlled photomosaic of part of the Kasei Valles Region of Mars

Controlled photomosaic of part of the Lunae Planum region of Mars

Controlled photomosaic of part of the Lunae Planum region of Mars

Controlled photomosaic of part of the Lunae Planum Region of Mars

Controlled photomosaic of part of the Planum Australe region of Mars

Controlled photomosaic of part of the Planum Australe region of Mars

Controlled photomosaic of part of the Planum Australe region of Mars

Controlled photomosaic of part of the Planum Australe region of Mars

Cross sections showing stratigraphic framework of upper Cretaceous Dakota Sandstone, Mancos Shale, Mesaverde Group, and Mesaverde Formation, and lower Tertiary Wasatch Formation, west-central Piceance Basin, Garfield County, Colorado

U.S. Geological Survey

U.S. Department of the Interior