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[Detail] Mediolanensis dvcatvs from the atlas [1570].

2) Conservation and Environment

These historic and recent maps document changes in recreational and wilderness areas as well as the growth and development of U.S. National Parks.

The maps of Yellowstone found within the Mapping the National Parks collection show how individual explorers and map makers influenced that national park. For example, between 1870 and 1878, Ferdinand Vandeveer Hayden conducted a United States Geological Survey of Yellowstone. With him were William Henry Jackson as official photographer and Thomas Moran as accompanying artist. Their work from the expedition was publicized in the East and helped spur designation of Yellowstone as the first national park in 1872.

Search on Hayden to find maps of the Yellowstone region made under his direction.

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