This is a log from an oil or gas well in the Bureau of Economic Geology's Geophysical Log Facility. API Number: 421350688000 Top Depth: 50 Ft. Bottom Depth: 3700 Ft. lease_name: WITCHER, J. E. #4 reservoir_name: FOSTER operator_name: LAGUNA PETRO CORP log_source_name: RRC datum_name: Unknown state_name: Texas county_name: Ector