This is a log from an oil or gas well in the Bureau of Economic Geology's Geophysical Log Facility. API Number: 421730082500 Top Depth: 6900 Ft. Bottom Depth: 8613 Ft. lease_name: CALVIN DEAN UNIT #304 reservoir_name: CALVIN DEAN operator_name: STANDARD OIL PROD log_source_name: RRC datum_name: Unknown state_name: Texas county_name: Glasscock