This is a geologic sample in one of the Bureau of Economic Geology's three Core Research Centers. API Number: 423893018600 Top Depth: 10500 Ft. Bottom Depth: 11700 Ft. lease_name: CLARK G U sample_type_name: CUTTINGS sample_category_name: Cuttings formation_name: Unknown formation_age_name: Unknown facility_name: Houston reservoir_name: GREASEWOOD operator_name: BROWN, H. L., JR. state_name: Texas county_name: Reeves