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A portion of the Featured Map of the Month, focusing on modern day Iran. It is labeled as Persia. To the bottom is a region called Luristan, with mountains along the southern edge. There's a line running across the entire area labeled "Southern Limit of Russian Sphere"

Map of the Month: May 2024

This month, we’re going to travel to the birthplace of civilization: Mesopotamia. The earliest known human settlements are found in the valleys of the Euphrates and Tigris Rivers, and they have had co...

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Screenshot of the 1918 National Parks and Monuments Online Web App showing a digitized version with information on Grand Canyon National Park shown.

New Web Application: 1918 National Parks and Monuments

A new Web App, 1918 National Parks and Monuments, is now live on ASU Geodata. This App digitizes a map of the National Park and Monument system in its infancy and overlays it across a modern map of th...

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A subsection of the National Parks and Monuments map showing a portion of the California-Nevada Border. Yosemite National Park and Sequoia National Park are prominent, with red boundaries separating them from the green national forest boundaries.

Map of the Month: March 2024

The United States National Park Service (NPS) currently administers 63 National Parks and 85 National Monuments, among the astonishing 423 total areas managed by the agency. That scope wasn’t always s...

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Section of the map showcasing the island of New Guinea. The western half was 'Netherlands New Guinea' while the eastern half was split in two with North East New Guinea to the north and the Australian state of Paupa to the south.

New Web Index: 1959 World Less Polar Regions

A new web map, 1959 World Less Polar Regions, is now live on ASU GeoData. The web map indexes a newly digitized series of maps produced by the Army Map Service in 1959. The maps depict the world at th...

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Screen grab of Linguistic Map of Mexico and Central America with pop-up box showing language and language family

New Web App: Linguistic Map of Mexico and Central America

Our latest web app, Linguistic Map of Mexico and Central America, is now live and available to the public. ...

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USGS Aerial Orthophoto Web Map Index

If you’re looking for aerial photographs of Arizona from the 1970’s, the USGS Orthophotos are a good place to start. The scale for these black and white photos is 1:24,000 and they line up with the US...

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