This is a geologic sample in one of the Bureau of Economic Geology's three Core Research Centers. API Number: 424270018900 Top Depth: 5060 Ft. Bottom Depth: 7999 Ft. lease_name: GUERRA L M ETAL sample_type_name: CUTTINGS sample_category_name: Cuttings formation_name: Unknown formation_age_name: Unknown facility_name: Austin reservoir_name: KELSEY operator_name: HUMBLE OIL & REFINING- SMITH OIL state_name: Texas county_name: Starr