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Mid-Continent Resources, Inc.
<br /> 1988 Subsidence Monitoring Survey TABLE 1
<br /> BASIC COORDINATES & ELEVATION DATA 1988 SURVEY
<br /> All Measurements in Feet
<br /> COORDINATES
<br /> POINT NORTH EAST ELEVATION
<br /> TP-1 11, 201.72 3, 839 . 40 11,842 . 11
<br /> TP-2 16,974 . 45 520. 59 11,842. 43
<br /> TP-3 20, 486 . 40 684 . 08 11, 446 . 19
<br /> TP-4 17, 300.21 1, 630 . 92 11, 728.72
<br /> TP-5 11,994 .95 4,905. 67 11,597 . 09
<br /> TP-6 11, 394 .16 2, 831.15 11,746. 58
<br /> MC-2 9, 345.08 4, 531 .90 11,692 . 78
<br /> MC-3 10,306. 39 5, 365. 60 11,124 . 59
<br /> MC-4 13, 681. 30 4, 175. 69 11,427 . 07
<br /> MC-5 15,557 . 44 5, 834 .05 11,009 . 51
<br /> MC-6 16, 550 . 19 4, 176 . 10 10, 447 . 81
<br /> MC-8 16,109 . 57 971 . 66 11, 391.11
<br /> MC-9 16,004 . 57 802 . 83 11, 465 . 18
<br /> MC-10 11, 888. 07 2, 411 . 59 11, 685. 98
<br /> MC-11 12, 049 . 24 2, 295. 89 11,660 . 65
<br /> MC-12 12, 210 . 70 2, 180. 39 11, 638 .53
<br /> MC-13 12, 370 .91 2, 065. 75 11, 613. 28
<br /> MC-14 12, 515. 80 1, 961 . 29 11, 588 . 69
<br /> MC-15 12,677. 14 1, 846 . 58 11, 575. 29
<br /> MC-16 12,839 . 49 1, 730. 27 11, 561 . 28
<br /> Points MC-1 and MC-7 well out of area of influence of recent
<br /> mining and not surveyed since 1983.
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