This is a geologic sample in one of the Bureau of Economic Geology's three Core Research Centers. Top Depth: 11741 Ft. Bottom Depth: 11744 Ft. lease_name: RAILROAD sample_type_name: PALEONTOLOGY/PALYNOLOGY SAMPLES sample_category_name: Miscellaneous formation_name: Unknown formation_age_name: Unknown facility_name: Houston reservoir_name: Unknown operator_name: UNION PACIFIC state_name: Wyoming county_name: Sweetwater