OF-15-08 Geologic Map of the Lazear Quadrangle OF-15-08 Geologic Map of the Lazear Quadrangle, Delta County, Colorado
MI-63 Geologic Sections Across Colorado (Tweto) (detail) MI-63 Geologic Sections Across Colorado (Tweto)
MI-10 Basic Data Release 35 MI-10 Basic Data Release 35, Hydrologic and Geophysical Data from the Piceance Basin, Colorado