This is a geologic sample in one of the Bureau of Economic Geology's three Core Research Centers. API Number: 210793253200 Top Depth: 600 Ft. Bottom Depth: 2800 Ft. lease_name: BLUE LAKE #4-19 K sample_type_name: CUTTINGS sample_category_name: Cuttings formation_name: Unknown formation_age_name: Unknown facility_name: Houston reservoir_name: BLUE LK 19-28N5WB operator_name: UNKNOWN state_name: Michigan county_name: Kalkaska