This is a geologic sample in one of the Bureau of Economic Geology's three Core Research Centers. API Number: 210453660500 Top Depth: 3780 Ft. Bottom Depth: 4080 Ft. lease_name: sample_type_name: CUTTINGS sample_category_name: Cuttings formation_name: Unknown formation_age_name: Unknown facility_name: Houston reservoir_name: BROOKFIELD 2-1N4W operator_name: UNKNOWN state_name: Michigan county_name: Eaton