This is a geologic sample in one of the Bureau of Economic Geology's three Core Research Centers. API Number: 420033490400 Top Depth: 3700 Ft. Bottom Depth: 4500 Ft. lease_name: ARMSTRONG, ELIZABETH sample_type_name: CUTTINGS sample_category_name: Cuttings formation_name: Unknown formation_age_name: Unknown facility_name: Houston reservoir_name: MEANS S operator_name: EXXON MOBIL CORPORATION state_name: Texas county_name: Andrews