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 …
This blog posts provides an introduction to some early maps produced from images captured by ERTS-1 (later known as Landsat I), the world's first earth-observing satellite.
In 1899, British geologist Henry G. Lyons (1864–1944) began a systematic reassessment of the cadastral surveys conducted in Egypt under Ottoman Turkish rule. His updated survey was built upon 90 years of work—starting in 1813 when Muʿallim Ghali, a finance minister appointed by Muhammad ʿAli Basha (1769–1849), reorganized the finances of Egypt to optimize taxation. …
Women have made significant contributions to the field of cartography throughout history. In celebration of Women’s History Month I have chosen to write about the noted 19th century cartographer, educator, and historian, Eugenia Almira Wheeler Goff. Eugenia Wheeler was born in 1844 in North Clarkson, New York. Her family moved to Winona, Minnesota when she …
Elmer Simms Campbell’s pictorial night-club map showing Harlem’s hotspots for entertainment, dining, and drinking appeared as a centerfold in the January 18, 1933, edition of the short-lived weekly Manhattan Magazine. His work was an important contribution to Harlem’s cultural renaissance—it serves as a time capsule—the itinerary and guide of a typical Friday night at the …
In 1884-85, a group of European dignitaries met in Berlin and delineated the boundaries of French, British, Belgian, Portuguese, Italian, Spanish, and German colonies on the continent of Africa. Lines drawn on the map became administrative reality, and over the next few decades European governments busied themselves with exploring, surveying, and conquering their new territories. One …
This is a guest post by Rachel Trent, Digital Collections and Automation Coordinator in the Geography and Map Division. Every time you look at an online image of a historical map, what you’re viewing is really just a spreadsheet of numbers. Or more likely, three spreadsheets, one each for red, green, and blue (the technical way to …
Did you know that worldwide, roughly 55 earthquakes are recorded per day? Of course, the vast majority of these seismic events are minor, making it all the more impressive that we are able to detect them. The technology used to gather data on earthquakes and seismic movements has vastly improved over time, and with it …
On the Geography and Map Division home page, we keep a list of maps newly placed online. As has become tradition (see previous Year in Review posts), to celebrate the end of a year and to ring in the new, I take a look back at the digitized maps that are now available online from …