This is a geologic sample in one of the Bureau of Economic Geology's three Core Research Centers. API Number: 210793214800 Top Depth: 10 Ft. Bottom Depth: 3000 Ft. lease_name: SIMPSON T 2-22 sample_type_name: CUTTINGS sample_category_name: Cuttings formation_name: Unknown formation_age_name: Unknown facility_name: Houston reservoir_name: COLD SP 23-28N-6W operator_name: UNKNOWN state_name: Michigan county_name: Kalkaska