Birds  Mexico  "In Wildness"  Glen Canyon  Maine  Adirondacks  Baja  Galápagos  Appalachians  Greece and Turkey  Africa  Iceland  Antarctica  Egypt  China and Macao Color Photographs | Iceland | P1990-51-2788  image 16 of 39  Pyroclastic Lavas, Hitardalur, Snæfellsnes, Iceland, July 10, 1972 Request imagery Color Photographs | Iceland | P1990-51-2788  image 16 of 39