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  ______    _____     _  _      ___      ______  
 /_   _//  |  ___||  | \| ||   / _ \\   /_   _// 
 `-| |,-   | ||__    |  ' ||  / //\ \\    | ||   
   | ||    | ||__    | .  || |  ___  ||  _| ||   
   |_||    |_____||  |_|\_|| |_||  |_|| /__//    
   `-`'    `-----`   `-` -`  `-`   `-`  `--`

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Text this: Measurement of the orientation of rock discontinuity by close-range photogrammetry