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LOCMaps

@LOCMaps

Official account of the @LibraryCongress Geography & Map Division, the largest map library in the world. All Library accounts: https://nitter.cf/t.co/T907knoXYf

 Washington, DC
loc.gov/rr/geogmap
Joined June 2011
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Celebrate GIS Day with us Nov. 12th with a special evening "Mapping Biogeography" event! Make paper globes & origami animals, see a display of biodiversity-themed collections, and hear Dr. Walter Jetz talk about a global map of life. See all the details: blogs.loc.gov/maps/2026/10/c…
GIS Day 2026: Mapping Biogeography (logo)

ALT GIS Day 2026: Mapping Biogeography (logo)

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This striking 1895 geologic map of the region around Great Smoky Mountains National Park includes six geologic cross-sections to provide rich details of the landscape. Take a closer look here: loc.gov/item/99446177/?loclr…
Geologic map with six cross-section diagrams of geologic layers and legend information on the left and right sides of the page.

ALT Geologic map with six cross-section diagrams of geologic layers and legend information on the left and right sides of the page.

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This detailed 1815 cadastral map of the U.S. Capitol vicinity features prominent hillshade that emphasizes the "hill" in Capitol Hill! Take a closer look here: loc.gov/item/88690768/?loclr…
Map of U.S. Capitol grounds and neighboring areas with street grid, lots, park space, and topographic hillshade prominently featured.

ALT Map of U.S. Capitol grounds and neighboring areas with street grid, lots, park space, and topographic hillshade prominently featured.

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This beautiful 1885 panoramic view of Phoenix captures the Arizona capital just a few years after its incorporation. Take a closer look here: loc.gov/item/75693082/?loclr…
Panoramic view of Arizona with pictorial buildings and trees illustrated within street grid of dirt streets. Along the periphery of the map are illustrations of local landmarks.

ALT Panoramic view of Arizona with pictorial buildings and trees illustrated within street grid of dirt streets. Along the periphery of the map are illustrations of local landmarks.

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Join us for a Virtual Orientation on Geospatial Resources on October 13th from 3-4pm EST! We'll provide an overview of the geospatial resources and activities of the Division + there will be a Q&A session with GIS specialists. Register online here: loc.zoomgov.com/webinar/regi…
early GIS map of Cancer Mortality in Nebraska

ALT early GIS map of Cancer Mortality in Nebraska

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This beautiful 1886 panoramic map of Pomona, California features open fields and orchards stretching out to the San Gabriel Mountains. Take a closer look here: loc.gov/item/2004633325/?loc…
Panoramic map of Pomona with buildings, orchards, and fields stretching to horizon of mountains. The view is surrounded by illustrations of landmark local buildings.

ALT Panoramic map of Pomona with buildings, orchards, and fields stretching to horizon of mountains. The view is surrounded by illustrations of landmark local buildings.

Close-in view of homes on rectangular lots with trees and bushes neatly lined in orchards.

ALT Close-in view of homes on rectangular lots with trees and bushes neatly lined in orchards.

Town buildings and fields stretching towards horizon of large mountains.

ALT Town buildings and fields stretching towards horizon of large mountains.

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Missing winter sports? Check out this reference map the National Geospatial Intelligence Agency created for the Milano Cortina 2026 Winter Olympic Games. A full-size PDF is available online: loc.gov/item/2026356995/?loc…
Image from LOCMaps (@LOCMaps)
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This vibrant map of Los Angeles, which combines panoramic and pictorial elements, was created in 1929 but depicts the city as it was in 1871! Take a closer look here: loc.gov/item/75690623/?loclr…
Panoramic view of Los Angeles, surrounded by smaller scale view of towns along Southern California coast, and eleven small illustrations of local landmarks.

ALT Panoramic view of Los Angeles, surrounded by smaller scale view of towns along Southern California coast, and eleven small illustrations of local landmarks.

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Curious what it's like to have an internship in the Geography & Map Division? Read all about a recent internship experience in a new blog post called "Unlocking Legacy Data, One Disk at a Time: A Summer Internship in the Geography and Map Division": blogs.loc.gov/maps/2026/08/u…
Photograph of CDs and maps

ALT Photograph of CDs and maps

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Curious about our collections? Please join G&M staff next week for a virtual orientation to our collections and resources! Date: Tuesday, August 11, 2026 Time: 3:00-4:00 pm (Eastern) Location: Online Register Here: loc.zoomgov.com/webinar/regi…
Image from LOCMaps (@LOCMaps)
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The Geography and Map Division’s latest StoryMap explores the Hezeta-Bodega y Quadra Expedition of 1775, which yielded rare coastal charts that informed the early European understanding of the North American west coast! Learn more in our blog: blogs.loc.gov/maps/2026/07/c…
Map from the Bodega y Quadra collection, consisting of coastal chart with soundings and map description in Spanish.

ALT Map from the Bodega y Quadra collection, consisting of coastal chart with soundings and map description in Spanish.

Screenshot of StoryMap application showing path of Bodega y Quadra Expedition and side-panel showing original map from expedition.

ALT Screenshot of StoryMap application showing path of Bodega y Quadra Expedition and side-panel showing original map from expedition.

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