This is a geologic sample in one of the Bureau of Economic Geology's three Core Research Centers. Top Depth: 3700 Ft. Bottom Depth: 4575 Ft. lease_name: GRAY sample_type_name: CUTTINGS sample_category_name: Cuttings formation_name: Unknown formation_age_name: Unknown facility_name: Houston reservoir_name: Unknown operator_name: STANDARD state_name: Texas county_name: Andrews