This is a geologic sample in one of the Bureau of Economic Geology's three Core Research Centers. API Number: 4250730435 Top Depth: 9630 Ft. Bottom Depth: 12510 Ft. lease_name: EARNEST, W. A. 29 #1 sample_type_name: PALEONTOLOGY/PALYNOLOGY SAMPLES sample_category_name: Miscellaneous formation_name: Unknown formation_age_name: Unknown facility_name: Houston reservoir_name: PEARSALL operator_name: LADD PETRO CORP state_name: Texas county_name: Zavala