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Mid-Continent Resources, Inc.
<br /> 1988 Subsidence Monitoring Survey TABLE 2
<br /> COMPARISON OF 1981, 1984 AND 1988 BASIC DATA
<br /> CONTROL (TP) POINTS
<br /> NORTH COORDINATE
<br /> POINT 1981 1989 1988_
<br /> TP-1 11, 202.99 11, 202 .33 11, 201. 72
<br /> TP-2 16,975. 26 16,975.30 16,974 .45
<br /> TP-3 20, 486 .81 20, 486 .96 20, 486. 40
<br /> TP-4 17, 301. 21 17,301.31 17, 300. 21
<br /> TP-5 11,994 . 59 11,994 .94 11,994.95
<br /> TP-6 * 11,395. 78 11,394.16
<br /> EAST COORDINATE
<br /> POINT _ 1984 1988
<br /> TP-1 3, 839 . 54 3,839 . 72 3, 839 . 40
<br /> TP-2 520.04 520.71 520. 59
<br /> TP-3 684 . 07 684 .65 684 . 08
<br /> TP-4 1, 630 . 55 1,630.96 1, 630.92
<br /> TP-5 4,905. 48 4,905.71 4, 905. 67
<br /> TP-6 * 2, 830.90 2, 831.16
<br /> ELEVATION
<br /> POINT 1981 1984 1988
<br /> TP-1 11, 844 . 52 11, 843 . 55 11, 842. 11
<br /> TP-2 11, 842 . 40 11, 842 .44 11, 842.43
<br /> TP-3 11, 446 . 29 11, 446 . 25 11, 446 . 19
<br /> TP-4 11, 729 . 53 11, 729 . 40 11,728. 72
<br /> TP-5 11, 598. 83 11, 598 . 17 11, 597.09
<br /> TP-6 * 11,750 .17 11, 746. 58
<br /> *Installed 1984 .
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