OF-25-08 Digital Geologic Map Database of the La Plata Mountains Map Area, La Plata, Monument Hill, Rampart Hills, and Thompson Park Quadrangles, La Plata and Montezuma Counties, Colorado OF-25-08 Digital Geologic Map Database of the La Plata Mountains Map Area, La Plata, Monument Hill, Rampart Hills, and Thompson Park Quadrangles, La Plata and Montezuma Counties, Colorado