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During a trip to Japan, Secretary of the Interior Stewart L.Udall went on a hike to the summit of Japan's Mount Fuji, November 1-7, 1961.

Secretary of the Interior Stewart and Lee Udall hike along the Chesapeake and Ohio Canal in Washington. They are on a visit to authorize the establishment of a Chesapeake and Ohio Canal National Historical Park in Maryland, April 1961.

The Mexican-American border is constantly changing, not just by treaty, but by the persistent erosion of the Rio Grande. As a natural boundary, the river's channel determines the technical border between the two countries. Historically, the Rio…

A photograph of Burtt-Davy standing and pointing at the soil of the high veld.

A photograph of the soil of the high veld.
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