TY - RPRT TI - An integrated data-directed numerical method for estimating the undiscovered mineral endowment in a region AU - R.B. McCammon AU - W.I. Finch AU - J.O. Kork AU - N.J. Bridges PY - 1994 DO - 10.1007/bf02286436 UR - https://pubs.usgs.gov/publication/70017053 ID - 70017053 ER -