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Category: Guest Posts

Experience “Hidden Portals” this May

Posted by: Julie Stoner

In honor of Asian / Pacific American Heritage Month, Library of Congress 2023-2024 Innovator in Residence Jeffrey Yoo Warren invites the public to experience hidden portals to five historic Asian American communities created with Library of Congress collections for the month of May.

From Childhood Fancy to Space Age Discovery

Posted by: Julie Stoner

This is a guest post by Geography and Map Division summer intern, Wayne Hastings, who worked on processing and housing the John Parr Snyder Collection. Imagine this. During the summer of 1972, the United States was in the midst of one of the most wildly impressive eras of technological and scientific development – the Space …

The Hungarian Parliamentary Building sits on the banks of the Danube. The GeoTIFF locates the building about 150 meters to the northeast of its true location.

The Secret Life of GeoTIFFs

Posted by: Carissa Pastuch

This is a guest post by Rachel Trent, Digital Collections and Automation Coordinator in the Geography and Map Division. The image below is of a TIFF file, but not just any TIFF. Hidden inside are coordinates that bind the image to a specific place on Earth. For every pixel in the image, an estimated latitude …

3-D map made of Siberian driftwood and sealskin showing the various islands and inlets of the Crown Prince Islands.

Mapping Disko Bay

Posted by: Carissa Pastuch

This is a guest post by Diane Schug-O’Neill, Digital Conversion Coordinator, in the Geography and Map Division. In 1925, Silas Sandgreen was commissioned by the Library of Congress to create a map of Disko Bugt (also seen as Disko Bay), Greenland. Disko Bay is a large bay located on the western coast of Greenland, along …

A hand drawn map showing the battle of Antietam. Colorful with the river running down the center of the map.

Antietam: “The Most Terrible Battle of the Age”

Posted by: Julie Stoner

This is a guest post by Manuscript Division reference librarian Lara Szypszak. On September 17, 1862, Union and Confederate forces met just outside the town of Sharpsburg, Maryland. The battle, known by Union forces as the Battle of Antietam (after the nearby creek) and by the Confederates as the Battle of Sharpsburg (after the nearest …

Map of the United States with illustrations all over it showing different groups of people.

Louise E. Jefferson – A Hidden African American Cartographer

Posted by: Julie Stoner

This is a guest post by Iris Taylor, a senior cataloging specialist in the Geography and Map Division. It is a common belief that you can acquire inspiration from a variety of people, places, or things. Seanna Tsung, a Library of Congress staff member, recently uncovered a unique collection of maps in the Geography and …