Glaciers in Glacier National Park in Montana advanced until the late 18th or early 19th centuries.

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One of its iconic stops was the 1, 350sqkm Glacier National Park in northwestern Montana.

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The phenomenon of sedimentary layers is remarkably similar to what is seen on Earth, in California's Death Valley or in Montana's Glacier National Park, says John Grotzinger, chief scientist of the Mars Science Laboratory mission.

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In support of environmental cooperation on natural reserves and ecotourism, they noted the recently signed Agreement twinning the protected Marine Coastal Area Francisco Coloane in Chile and the Glacier Bay National Park and Preserve in Alaska, with the purpose of intensifying the collaboration and mutual support for their protection and conservation.

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