TY - RPRT TI - Digital data from the Great Sand Dunes airborne gravity gradient survey, south-central Colorado AU - B. J. Drenth AU - J.D. Abraham AU - V. J. S. Grauch AU - V.F. Labson AU - G. Hodges PY - 2013 DO - 10.3133/ofr20131011 UR - https://pubs.usgs.gov/publication/ofr20131011 ID - ofr20131011 ER -