This is a geologic sample in one of the Bureau of Economic Geology's three Core Research Centers. API Number: 427083023200 Top Depth: 300 Ft. Bottom Depth: 2940 Ft. sample_type_name: PALEONTOLOGY/PALYNOLOGY SAMPLES sample_category_name: Miscellaneous formation_name: Unknown formation_age_name: Unknown facility_name: Houston reservoir_name: PIEDMONT PROSPECT operator_name: ARCO OIL & GAS CO.