This is a log from an oil or gas well in the Bureau of Economic Geology's Geophysical Log Facility. API Number: 4220332466 Top Depth: 9006 Ft. Bottom Depth: 10686 Ft. lease_name: WILLIAMS, IVY HEIRS #7 reservoir_name: N LANSING operator_name: XTO ENERGY INC. log_source_name: RRC datum_name: Unknown state_name: Texas county_name: Harrison