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Category: 20th century cartography

Black and white photograph of a painting of large waves in the Atlantic Ocean.

Mapping the Deep: Marie Tharp’s Physiographic Diagram of the Atlantic Ocean

Posted by: Julie Stoner

This blog post discusses the project done this summer during a Junior Fellowship at the Geography and Map Division. The post highlights Marie Tharp’s 1957 Physiographic Diagram of the Atlantic Ocean, other physiographic diagrams from the G&M collections, and why Tharp chose this kind of map in particular to depict the ocean floor.

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

The Geography and Map Division has thousands of topographic maps in its collections but some have a unique take on the rest of the category. This blog post highlights several maps and models that stand out as being different in form and shape from other topographic maps including a chocolate bar map, a pop up map, and a map made of compressed paper among others.