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Start Over You searched for: Publish Year Decade 1960 - 1969 Remove constraint Publish Year Decade: 1960 - 1969 Sudoc Stem I 29.21 Remove constraint Sudoc Stem: I 29.21

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82. Glacier Bay National Monument, Alaska.

83. Great Sand Dunes [National Monument, Colo.].

84. Hampton National Historic Site, Md.

86. Hovenweep [National Monument].

89. John Muir National Historic Site, Calif.