TY - RPRT TI - Hydrostratigraphic Framework of the Raton, Vermejo, and Trinidad Aquifers in the Raton Basin, Las Animas County, Colorado AU - Kenneth R. Watts PY - 2006 DO - 10.3133/sir20065129 UR - https://pubs.usgs.gov/publication/sir20065129 ID - sir20065129 ER -