Once a year, a peculiar, polished slab of rock is hauled down from its home on a windowsill near the 1A lab and propped up on the lawn against a row of knees for the annual Sedgwick Club photo. The slab, with its striking black and white circular patterns, has featured in most annual photos in the past 60 years.
Continue reading “The origins of our orbicular granite”The origins of our orbicular granite
