This is a series of photos of a geologic sample in one of the Bureau of Economic Geology's three Core Research Centers. API Number: 49009201520000 Top Depth: 12516 Ft. Bottom Depth: 12637 Ft. lease_name: Spearhead Ranch sample_type_name: SLABBED CORE sample_category_name: Core formation_name: Frontier facility_name: Austin reservoir_name: Spearhead Ranch Field operator_name: Mountain Fuel state_name: Wyoming county_name: Converse