This is a log from an oil or gas well in the Bureau of Economic Geology's Geophysical Log Facility. API Number: 4239530976 Top Depth: 5200 Ft. Bottom Depth: 11650 Ft. lease_name: LINCECUM, M. TRUST reservoir_name: BEAR GRASS (COTTON VALLEY CONS) operator_name: ANADARKO PETROLEUM CORPORATION log_source_name: RRC datum_name: Unknown state_name: Texas county_name: Robertson