This is a geologic sample in one of the Bureau of Economic Geology's three Core Research Centers. API Number: 211373215700 Top Depth: 5100 Ft. Bottom Depth: 6580 Ft. lease_name: sample_type_name: CUTTINGS sample_category_name: Cuttings formation_name: Unknown formation_age_name: Unknown facility_name: Houston reservoir_name: CHESTER 5-29N-2W operator_name: UNKNOWN state_name: Michigan county_name: Otsego