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6 October 2015
Can you spot the contact?
There’s a formational contact in this photo, and for many years, I misplaced it completely. Let’s see how well you do: can you spot it? Submit your answers by downloading the photo (right click; ‘save as’), drawing on the contact, saving your annotated copy, and then posting your version in the comments. Need more data? Try exploring this GigaPan of the site: Answers tomorrow.