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Show nr . ic S. 4 E. in is R. 5E. 40" 45 40° 30' n is Base from U. S. Geological Survey 1: 250.000 ( A M S ) series; Salt Lake City. Uta'h; Wyoming ( 1963) Aeromagnetic survey flown 11,000 feet barometric elevation, 1965. Geophysical interpretation by 0. L. Peterson EXPLANATION 2450 Magnetic contour Showing total intensity magnetic field of the earth in gammas relative to arbitrary datum. Hachured to indicate closed areas of lower magnet ic intensity; dashed where data are incomplete. Contour interval 10 and 50 gammas Figure 23.- Total intensity aeromagnetic map. 59 |