This is a log from an oil or gas well in the Bureau of Economic Geology's Geophysical Log Facility. API Number: 422273260900 Top Depth: 50 Ft. Bottom Depth: 3410 Ft. lease_name: MARK M BIG SPRING 4A #2 reservoir_name: MOORE operator_name: MARK M log_source_name: RRC datum_name: Unknown state_name: Texas county_name: Howard