This is a log from an oil or gas well in the Bureau of Economic Geology's Geophysical Log Facility. API Number: 4202100000 lease_name: BERTHA ARTMANN reservoir_name: Unknown operator_name: SHAMROCK O. & G. CORP. & SEABOARD OIL CO. log_source_name: RRC datum_name: Unknown state_name: Texas county_name: Bastrop