When I was in the mountains in September, I found myself compelled to try sketching the peaks in front of me. It was a humbling experience. Today, photographs are generally superior for scientific purposes, and yet some things are better seen with pen in hand. Masterpieces of field sketching are still worth admiring, a hundred years after their heyday. This was brought to mind as I prepared a new page for Mount Pennell, sketched by the great G. K. Gilbert in 1875 during his exploration of Utah's Henry Mountains. (See also a new page for New Mexico's Magdalena Peak.)Mt. Ellsworth, sketched by G.K. Gilbert Geological Society of America image

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