a train of thought for prospecting
chemical prospecting for petroleum
criteria for prospeting
direction for prospecting
direction for prospecting ore
evaluation indicators for prospecting
favorable area for prospecting
favorable places for prospecting
forecast of favorable place for prospecting
Geochemical prospecting for gold
GEOCHEMICAL PROSPECTING FOR OIL AND GAS
Geophysical Prospecting for Petroleum
glacier boulder method for prospecting
hydrogeochemical indication for prospecting
indication for prospecting
INDICATORS FOR PROSPECTING
Methods of prospecting for ore deposits