TY - RPRT TI - Principal facts and an approach to collecting gravity data using near-real-time observations in the vicinity of Barstow, California AU - G. Phelps AU - C. Cronkite-Ratcliff AU - L. Klofas PY - 2013 DO - 10.3133/ofr20131264 UR - https://pubs.usgs.gov/publication/ofr20131264 ID - ofr20131264 ER -