This is a geologic sample in one of the Bureau of Economic Geology's three Core Research Centers. API Number: 211372808900 Top Depth: 5763 Ft. Bottom Depth: 5795 Ft. lease_name: DONOVAN sample_type_name: CUTTINGS sample_category_name: Cuttings formation_name: Unknown formation_age_name: Unknown facility_name: Houston reservoir_name: JOHANNESBURG operator_name: UNKNOWN state_name: Michigan county_name: Otsego