INFORMATION CIRCULAR NO. 42 The lessor, approximate locations, and outlines of State leases located offshore from the west coast of Florida, acreage contained in each lease, and bonuses and annual rentals paid are shown on figure 4. All leases provide that the State's share of production shall be one- eighth of the value of the oil at the wellhead. There also is a 5 percent severance tax on the value of the oil at the wellhead (Florida Statutes Chapter 211.02). GEOPHYSICS Geophysical activity in Florida in 1962 is summarized in table 4. For 8 weeks in May and June of 1962 the Pan American Petroleum Corporation had a Western Geophysical Company crew working on federal water mostly off the coast of southern Georgia, with some of the work being off the coast of northern Florida. During each of the 2 years preceding 1962, the geophysical activity in Florida was: SCrew weeks of Year geophysical activity Source 1961 49 International Oil and Gas Development Year Book of 1962, part 1, p. 54 1960 89 Vernon and Hendry (1960, p. 7) Crew weeks of geophysical activity in Florida, by counties,of the 21-year interval, 1941-61, inclusive, were obtained from the International Oil and GasYear Book pertaining to each of the included years, and are shown in table 5. In 1959 there was an additional 17 crew weeks of seismic activity over water bottom acreage which lies beyond the jurisdiction of the State of Florida (further offshore than 3 leagues or 10.36 statute miles).