This is a log from an oil or gas well in the Bureau of Economic Geology's Geophysical Log Facility. API Number: 4201300000 lease_name: W. D. LANGLEY reservoir_name: Unknown operator_name: B. G. HYARS & C. G. DUNWOODY , JR. log_source_name: RRC datum_name: Unknown state_name: Texas county_name: Atascosa