![g13/02/778602/3/173522687.65293830.JPEG](https://a4.pbase.com/g13/02/778602/3/173522687.65293830.JPEG) 230331 070959 0420 The 717, The Almost Unknown Boeing
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![g12/96/635896/3/171366020.SxwirH3y.jpg](https://a4.pbase.com/g12/96/635896/3/171366020.SxwirH3y.jpg) TheTwin Sisters Mountain, North Twin Sister, South Twin Sister, Skookum Peak, Hayden and Little Sister, Twin Crest Peak
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![g2/27/876727/3/148293941.GblQKOvf.jpg](https://a4.pbase.com/g2/27/876727/3/148293941.GblQKOvf.jpg) The Twin Quasar Q0957+561 and NGC 3079
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![g9/41/984841/3/150395717.LMMF1RlS.jpg](https://a4.pbase.com/g9/41/984841/3/150395717.LMMF1RlS.jpg) Fluorite spinel twin, 2 cm on 7 cm specimen. Composition plane horizontal. Naica,Chihuahua, Mexico.
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