TY - RPRT TI - Geochemical data of El Correo area, northern Sonora, Mexico AU - R. L. Turner AU - J. G. Frisken AU - H. N. Barton AU - P. K. Theobald PY - 1982 DO - 10.3133/ofr82276 UR - https://pubs.usgs.gov/publication/ofr82276 ID - ofr82276 ER -