This is a geologic sample in one of the Bureau of Economic Geology's three Core Research Centers. API Number: 211294026300 Top Depth: 10700 Ft. Bottom Depth: 11600 Ft. lease_name: CUMMING sample_type_name: CUTTINGS sample_category_name: Cuttings formation_name: Unknown formation_age_name: Unknown facility_name: Houston reservoir_name: LOGAN operator_name: UNKNOWN state_name: Michigan county_name: Ogemaw