TY - RPRT TI - The potential of mid- and near-infrared diffuse reflectance spectroscopy for determining major- and trace-element concentrations in soils from a geochemical survey of North America AU - J. B. Reeves AU - D. B. Smith PY - 2009 DO - 10.1016/j.apgeochem.2009.04.017 UR - https://pubs.usgs.gov/publication/70036909 ID - 70036909 ER -