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26 Glen Canyon unit, Lake Powell topography: sheet 557-414-1971960Image/StillImage
27 Glen Canyon unit, Lake Powell topography: sheet 557-414-851960Image/StillImage
28 Glen Canyon unit, Lake Powell topography: sheet 557-414-1711960Image/StillImage
29 Glen Canyon unit, Lake Powell topography: sheet 557-414-2031960Image/StillImage
30 Glen Canyon unit, Lake Powell topography: sheet 557-414-2281960Image/StillImage
31 Glen Canyon unit, Lake Powell topography: sheet 557-414-2011960Image/StillImage
32 Glen Canyon unit, Lake Powell topography: sheet 557-414-1541960Image/StillImage
33 Glen Canyon unit, Lake Powell topography: sheet 557-414-1351960Image/StillImage
34 Glen Canyon unit, Lake Powell topography: sheet 557-414-751960Image/StillImage
35 Glen Canyon unit, Lake Powell topography: sheet 557-414-1911960Image/StillImage
36 Glen Canyon unit, Lake Powell topography: sheet 557-414-1401960Image/StillImage
37 Glen Canyon unit, Lake Powell topography: sheet 557-414-2381960Image/StillImage
38 Glen Canyon unit, Lake Powell topography: sheet 557-414-1511960Image/StillImage
39 Glen Canyon unit, Lake Powell topography: sheet 557-414-931960Image/StillImage
40 Glen Canyon unit, Lake Powell topography: sheet 557-414-2171960Image/StillImage
41 Glen Canyon unit, Lake Powell topography: sheet 557-414-831960Image/StillImage
42 Glen Canyon unit, Lake Powell topography: sheet 557-414-1191960Image/StillImage
43 Glen Canyon unit, Lake Powell topography: sheet 557-414-701960Image/StillImage
44 Glen Canyon unit, Lake Powell topography: sheet 557-414-1701960Image/StillImage
45 Glen Canyon unit, Lake Powell topography: sheet 557-414-891960Image/StillImage
46 Glen Canyon unit, Lake Powell topography: sheet 557-414-2571960Image/StillImage
47 Glen Canyon unit, Lake Powell topography: sheet 557-414-2741960Image/StillImage
48 Glen Canyon unit, Lake Powell topography: sheet 557-414-1261960Image/StillImage
49 Glen Canyon unit, Lake Powell topography: sheet 557-414-811960Image/StillImage
50 Glen Canyon unit, Lake Powell topography: sheet 557-414-2541960Image/StillImage
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