This is a geologic sample in one of the Bureau of Economic Geology's three Core Research Centers. API Number: 210392948300 Top Depth: 6300 Ft. Bottom Depth: 7130 Ft. lease_name: STATE FREDERIC UNIT /A sample_type_name: CUTTINGS sample_category_name: Cuttings formation_name: Unknown formation_age_name: Unknown facility_name: Houston reservoir_name: FREDERIC 7-28N-4W operator_name: UNKNOWN state_name: Michigan county_name: Crawford