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Osher Map Library Holds Half a Million Historic Maps

The Osher Map Library at the University of Southern Maine contains half a million rare maps, globes, and atlases dating to the 15th century. A CBS News segment examined how cartographers have depicted the world through whimsical, political, and intentionally distorted maps.

Cbs News
1 source·May 17, 2:26 PM(12 days ago)·1m read
Osher Map Library Holds Half a Million Historic Mapsbgr.in
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The Osher Map Library at the University of Southern Maine in Portland holds half a million rare maps, globes, and atlases dating as far back as the 15th century. CBS News correspondent Martha Teichner examined how cartographers have represented the world through maps that are whimsical, political, or intentionally distorted.

The segment also addressed why maps remain relevant despite the widespread use of GPS technology.

The library preserves items spanning several centuries of mapmaking. These materials include examples that reflect the knowledge and perspectives of their time.

The report noted that maps continue to serve purposes beyond navigation. They provide insight into historical worldviews and the choices made by cartographers.

Key Facts

Half a million items
rare maps, globes, and atlases at Osher Map Library
15th century origin
earliest maps in the collection date to this period
University of Southern Maine
institution housing the Osher Map Library in Portland

Potential Impact

  1. 01

    Public awareness of historic map collections may increase.

Transparency Panel

Sources cross-referenced1
Confidence score65%
Synthesized bySubstrate AI
Word count119 words
PublishedMay 17, 2026, 2:26 PM
Bias signals removed1 across 1 outlet
Signal Breakdown
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