This is a log from an oil or gas well in the Bureau of Economic Geology's Geophysical Log Facility. API Number: 422113013100 Top Depth: 4000 Ft. Bottom Depth: 11345 Ft. lease_name: CLARK #1 reservoir_name: HEMPHILL GRANITE WASH operator_name: KERR & MCGEE CORP log_source_name: BEG datum_name: Unknown state_name: Texas county_name: Hemphill