Labels:text | diagram | sketch | drawing OCR: 67 . 15' 67 . 00 45' 30' 15' 45' 5 . 30" 18 30 + 18 30' + I 80000 100* I 0000200 = 13 I 15' L X: H 10.00 21 25 00000 H EXPLANATION H Lines are boundaries determined by visual inspection. 8 O L 22 H 24 Hachures point in direction of rock masses with lower densities! 16 00 . Dots are boundaries calculated by computer. + + Maximum 1800 I Horizontal Gradient 00 7000000F mGal/km 22 . 0.11 - 1.04 . 1.04 - 1.78 0 1.78 - 9.20 H and L are gravity highs and lows respectively. Numbers refer to features discussed in the text. Lines with symbol F at ends are interpreted to be Computed from the filtered gravity anomaly map showing wavelengths of less than 13 km. faults cutting the Neogene sedimentary rocks. 67 . 15' 67 .00 45 30' Scale 1:200,000 15' 66 .00 45' 65 ' 30' GRAVITY BOUNDARY MAP OF PUERTO RIC ...
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