This is a geologic sample in one of the Bureau of Economic Geology's three Core Research Centers. API Number: 422113254300 Top Depth: 7800 Ft. Bottom Depth: 10800 Ft. lease_name: CIRCLE DOT RANCH #1-77 sample_type_name: CUTTINGS sample_category_name: Cuttings formation_name: Unknown formation_age_name: Unknown facility_name: Austin reservoir_name: ATKINSON WEST operator_name: NEWFIELD EXPL. MID-CON. INC state_name: Texas county_name: Hemphill