Boy stands next to a glacial crevasse, possibly in southeast Alaska since it was with other photos of Mendenhall Glacier within this collection. A chunk of ice has fallen and wedged in the crevasse, spanning the gap.
Relief shown by contours. Depths shown by isolines. Glaciers, tundra and forest color coded. From Johnston's Royal atlas of modern geography, frontispiece. "By Keith Johnston F.R.G.S." "W. & A.K. Johnston." Hand colored.