This is a geologic sample in one of the Bureau of Economic Geology's three Core Research Centers. API Number: 420070003000 Top Depth: 8640 Ft. Bottom Depth: 10700 Ft. lease_name: ST CHARLES RANCH sample_type_name: CUTTINGS sample_category_name: Cuttings formation_name: Unknown formation_age_name: Unknown facility_name: Houston reservoir_name: BLACKJACK operator_name: UNKNOWN state_name: Texas county_name: Aransas