This is a geologic sample in one of the Bureau of Economic Geology's three Core Research Centers. API Number: 427013003300 Top Depth: 12470 Ft. Bottom Depth: 13100 Ft. lease_name: S/L 81921 sample_type_name: CUTTINGS sample_category_name: Cuttings formation_name: Unknown formation_age_name: Unknown facility_name: Houston reservoir_name: 960-L operator_name: ARCO OIL & GAS CO.