REFINE     Who What Where When     REMOVE Still image Drawing 1970s WHAT Charts, diagrams, etc. (1) Mines and mineral resourc … (1) image/tiff (1)

REFINE  Browse All : Still image and Drawing from 1970s 1-1 of 1   Sketch of slope at mine 1970s Title Sketch of slope at mine Date 1970s 1-1 of 1

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