Fig. 2. Experimental cross-correlograms and cross-correlogram significance limits (P = 0.05) along with cross-correlogram and cross-correlogram significance models for (a) protein and elevation data from the DL98 field, (b) protein and elevation data from the WL198 field, (c) protein and elevation data from the KN99 field, and (d) oil and elevation data from the WL299 field.