4 Sep 18
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4 Sep 18
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4 Sep 18
Mt Baden-Powell
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20 May 18
Mt. Islip Where a benchmark used to live
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20 May 18
Mt, Islip ...and the disappearing benchmark
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19 Apr 18
Mt Wilson wooden sign Bench mark is in the boulder at the top of the picture
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19 Apr 18
Mt. Wilson benchmark How far from Zero Milestone benchmark in Washington DC?
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1 Apr 18
The Original This one will not fit in any cache container I have seen
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