This is a log from an oil or gas well in the Bureau of Economic Geology's Geophysical Log Facility. API Number: 4226932637 Top Depth: 100 Ft. Bottom Depth: 4274 Ft. lease_name: FOSTER reservoir_name: TUMBLEWEED NE TANNEHILL operator_name: SCHALK OIL COMPANY INC log_source_name: Unknown state_name: Texas county_name: King