TY - RPRT TI - Principal facts for gravity stations in the Winchester Mountains Study Area and vicinity, Cochise and Graham counties, Arizona AU - R.A. Martin AU - M.S. Sherrard AU - G. A. Abrams PY - 1982 DO - 10.3133/ofr82951 UR - https://pubs.usgs.gov/publication/ofr82951 ID - ofr82951 ER -