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A diagram showing volcanic rock formations in the Monterey District of Pennsylvania.

Florence Bascom and her Contributions to the Field of Geology

Posted by: Cynthia Smith

Black and white photograph of a man peering through a microscope like device, drawing on a map.

A Unique Perspective – Unusual Topographic Maps in the Collections

Posted by: Julie Stoner

Pictorial map of entertainment, restaurant, and speakeasy facilities in the Harlem district, Manhattan, New York City during the Harlem Renaissance..

Exploring Map Surrounds

Posted by: Carissa Pastuch

a detail from a map

Balti-more or Less That Way: How a Port City Moved

Posted by: Lena Mattson

Topographic map showing the city of Vienna, the Danube river, and surrounding agricultural areas and villages

Every Bridge and Meadow: The Austro-Hungarian Empire in 19th Century Maps

Posted by: Amelia Raines

Close-in view of city buildings pictorially drawn with railroad depot, train cars, and factories prominently featured.

Augustus Koch’s Views From Above

Posted by: Tim St. Onge

Colorful 18th-century map of eastern North America

Virtual Orientation to the Geography and Map Division: Tuesday 4/8

Posted by: Amelia Raines

12 19th century globe gores printed on a sheet.

Globe Gores

Posted by: Abraham Parrish

A 19th century map showing Earth with a square shape.

Unconventional Theories about the Earth’s Shape: Both Ancient and Modern

Posted by: Cynthia Smith