This is a geologic sample in one of the Bureau of Economic Geology's three Core Research Centers. API Number: Top Depth: 3460 Ft. Bottom Depth: 4400 Ft. lease_name: BLACKWELL 25-1 sample_type_name: CUTTINGS sample_category_name: Cuttings facility_name: Houston operator_name: MOBIL state_name: California county_name: Kern