TY - RPRT TI - Geochemistry of soils along a transect from Central Mexico to the Pacific Coast: a pilot study for continental-scale geochemical mapping AU - J.A. Chipres AU - Alfredo de la Calleja AU - J.I. Tellez AU - F. Jimenez AU - Carlos Cruz AU - E.G. Guerrero AU - J. Castro AU - M.G. Monroy AU - J.C. Salinas PY - 2009 DO - 10.1016/j.apgeochem.2009.04.012 UR - https://pubs.usgs.gov/publication/70140572 ID - 70140572 ER -