TY - RPRT TI - Assessment of exploration bias in data-driven predictive models and the estimation of undiscovered resources AU - M.F. Coolbaugh AU - G. L. Raines AU - R. E. Zehner PY - 2007 DO - 10.1007/s11053-007-9037-6 UR - https://pubs.usgs.gov/publication/70029904 ID - 70029904 ER -