Early geophysical papers of the Early geophysical papers of the Society of Exploration Geophysicists earlygeophysical00soci Year: 1947 4 0. C. CLIFFORD, JR. on closer scrutiny. The dominant feature of the later survey, also, is an area of negative relief, but this has been shifted from the west half of Sec. 12, T. ii N., R. 3 W., to the SE. of Sec. 10, T. 11 N., R. 3 W. The maximum closure appears to be approximately the same, R3W R 2 W VERTICAL MAGNETIC INTENSITY cottnum MTtmm. » CAjmu 19 3 2 scmj or *mwc»K AttA Co ) C CL^ Fig. 2.—Map showing vertical magnetic intensity, 1932
Early geophysical papers of the Early geophysical papers of the Society of Exploration Geophysicists earlygeophysical00soci Year: 1947 4 0. C. CLIFFORD, JR. on closer scrutiny. The dominant feature of the later survey, also, is an area of negative relief, but this has been shifted from the west half of Sec. 12, T. ii N., R. 3 W., to the SE. of Sec. 10, T. 11 N., R. 3 W. The maximum closure appears to be approximately the same, R3W R 2 W VERTICAL MAGNETIC INTENSITY cottnum MTtmm. » CAjmu 19 3 2 scmj or *mwc»K AttA Co ) C CL^ Fig. 2.—Map showing vertical magnetic intensity, 1932. though it may be greater in the later work. In the recent survey, the contours lie closer together and the general pattern practically dupli- cates that of 1927, but the plane of the feature appears to have been tilted toward the west. The base point, SE. corner, Sec. 36, T. 11 N., R. 3 W., is identical 332
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