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26 Glen Canyon unit, Lake Powell topography: sheet 557-414-1191960Image/StillImage
27 Glen Canyon unit, Lake Powell topography: sheet 557-414-1201960Image/StillImage
28 Glen Canyon unit, Lake Powell topography: sheet 557-414-1211960Image/StillImage
29 Glen Canyon unit, Lake Powell topography: sheet 557-414-1221960Image/StillImage
30 Glen Canyon unit, Lake Powell topography: sheet 557-414-1231960Image/StillImage
31 Glen Canyon unit, Lake Powell topography: sheet 557-414-1241960Image/StillImage
32 Glen Canyon unit, Lake Powell topography: sheet 557-414-1251960Image/StillImage
33 Glen Canyon unit, Lake Powell topography: sheet 557-414-1261960Image/StillImage
34 Glen Canyon unit, Lake Powell topography: sheet 557-414-1271960Image/StillImage
35 Glen Canyon unit, Lake Powell topography: sheet 557-414-1281960Image/StillImage
36 Glen Canyon unit, Lake Powell topography: sheet 557-414-1291960Image/StillImage
37 Glen Canyon unit, Lake Powell topography: sheet 557-414-1301960Image/StillImage
38 Glen Canyon unit, Lake Powell topography: sheet 557-414-1311960Image/StillImage
39 Glen Canyon unit, Lake Powell topography: sheet 557-414-1321960Image/StillImage
40 Glen Canyon unit, Lake Powell topography: sheet 557-414-1331960Image/StillImage
41 Glen Canyon unit, Lake Powell topography: sheet 557-414-1341960Image/StillImage
42 Glen Canyon unit, Lake Powell topography: sheet 557-414-1351960Image/StillImage
43 Glen Canyon unit, Lake Powell topography: sheet 557-414-1361960Image/StillImage
44 Glen Canyon unit, Lake Powell topography: sheet 557-414-1371960Image/StillImage
45 Glen Canyon unit, Lake Powell topography: sheet 557-414-1381960Image/StillImage
46 Glen Canyon unit, Lake Powell topography: sheet 557-414-1391960Image/StillImage
47 Glen Canyon unit, Lake Powell topography: sheet 557-414-1401960Image/StillImage
48 Glen Canyon unit, Lake Powell topography: sheet 557-414-1411960Image/StillImage
49 Glen Canyon unit, Lake Powell topography: sheet 557-414-1421960Image/StillImage
50 Glen Canyon unit, Lake Powell topography: sheet 557-414-1431960Image/StillImage
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