file title : Navy Terrain Data--Primary Surface Type Codes data type : byte file type : binary columns : 2160 rows : 1080 ref. system : lat/long ref. units : deg unit dist. : 1.0000000 min. X : -180.0000000 max. X : 180.0000000 min. Y : -90.0000000 max. Y : 90.0000000 pos'n error : unknown resolution : 0.1666667 min. value : 0 max. value : 62 value units : characteristic classes value error : unknown flag value : 99 flag def'n : flag value 99 indicates bad or missing data legend cats : 100 category 0 : 0 salt/lake salt or lake bed category 1 : 1 Flat flat or relatively flat category 2 : 2 Desert desert (or, for high latitudes, glaciers or permanent ice) category 3 : 3 Marsh marsh category 4 : 4 Lake/Atol lake country or atoll category 5 : 5 Valley/Be major valleys or river beds category 6 : 6 Iso Mount isolated mountains, ridge or peak category 7 : 7 Low Mount low mountains or hills category 8 : 8 Ave Mount average mountains category 9 : 9 Rug Mount extremely rugged mountains category 10 : 10 Not used category 11 : 11 Not used category 12 : 12 Not used category 13 : 13 Not used category 14 : 14 Not used category 15 : 15 Not used category 16 : 16 Not used category 17 : 17 Not used category 18 : 18 Not used category 19 : 19 Not used category 20 : 20 Not used category 21 : 21 Not used category 22 : 22 Not used category 23 : 23 Not used category 24 : 24 Not used category 25 : 25 Not used category 26 : 26 Not used category 27 : 27 Not used category 28 : 28 Not used category 29 : 29 Not used category 30 : 30 Not used category 31 : 31 Not used category 32 : 32 Not used category 33 : 33 Not used category 34 : 34 Not used category 35 : 35 Not used category 36 : 36 Not used category 37 : 37 Not used category 38 : 38 Not used category 39 : 39 Not used category 40 : 40 Not used category 41 : 41 Not used category 42 : 42 Not used category 43 : 43 Not used category 44 : 44 Not used category 45 : 45 Not used category 46 : 46 Not used category 47 : 47 Not used category 48 : 48 Not used category 49 : 49 Not used category 50 : 50 Not used category 51 : 51 Not used category 52 : 52 Not used category 53 : 53 Not used category 54 : 54 Not used category 55 : 55 Not used category 56 : 56 Not used category 57 : 57 Not used category 58 : 58 Not used category 59 : 59 Not used category 60 : 60 Not used category 61 : 61 Not used category 62 : 62 Ocean category 63 : 63 Not used category 64 : 64 Not used category 65 : 65 Not used category 66 : 66 Not used category 67 : 67 Not used category 68 : 68 Not used category 69 : 69 Not used category 70 : 70 Not used category 71 : 71 Not used category 72 : 72 Not used category 73 : 73 Not used category 74 : 74 Not used category 75 : 75 Not used category 76 : 76 Not used category 77 : 77 Not used category 78 : 78 Not used category 79 : 79 Not used category 80 : 80 Not used category 81 : 81 Not used category 82 : 82 Not used category 83 : 83 Not used category 84 : 84 Not used category 85 : 85 Not used category 86 : 86 Not used category 87 : 87 Not used category 88 : 88 Not used category 89 : 89 Not used category 90 : 90 Not used category 91 : 91 Not used category 92 : 92 Not used category 93 : 93 Not used category 94 : 94 Not used category 95 : 95 Not used category 96 : 96 Not used category 97 : 97 Not used category 98 : 98 Not used category 99 : 99 Bad/Missing Data