TY - RPRT TI - Geophysical expression of buried range-front embayment structure: Great Sand Dunes National Park, Rio Grande rift, Colorado AU - Benjamin J. Drenth AU - V. J. Grauch AU - Chester A. Ruleman AU - Judith A Schenk PY - 2017 DO - 10.1130/ges01439.1 UR - https://pubs.usgs.gov/publication/70201880 ID - 70201880 ER -