This is a geologic sample in one of the Bureau of Economic Geology's three Core Research Centers. API Number: 420033013500 Top Depth: 9100 Ft. Bottom Depth: 12290 Ft. lease_name: THORNBERRY sample_type_name: CUTTINGS sample_category_name: Cuttings formation_name: Unknown formation_age_name: Unknown facility_name: Houston reservoir_name: DEEP ROCK operator_name: SIGNAL OIL & GAS COMPANY state_name: Texas county_name: Andrews