Archive: July 2025 (2 Posts)

Refined by: (Author) Julie Stoner; (Year) 2025; (Month) July

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

July 31, 2025

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.

Posted in: 20th century cartography, Guest Posts

Black and white photo of two men, Roosevelt on the left and Rondon on the right. Roosevelt with arm around Rondon wearing dark suit while Rondon in white suit.

Mapping the Brazilian Amazon – The Roosevelt-Rondon Expedition of 1913-14

July 18, 2025

Posted by: Julie Stoner

While working as a Junior Fellow this summer, Champ Turner worked with a collection of maps of Brazil. In this blog post, he tells the story, through maps, of an expedition taken by Teddy Roosevelt and Cândido Rondon in 1913 down the River of Doubt in the Brazilian Amazon.

Posted in: 20th century cartography, Exploration, Guest Posts, South American History

Refined by: (Author) Julie Stoner; (Year) 2025; (Month) July