The Unwritten Record, a blog by staff at the U.S. National Archives’s Special Media Archives Services Division, announced last month: “Civil War maps are always popular at the National Archives, and the Cartographic Branch is pleased to announce the digitization of over 100 Confederate maps from Record Group (RG) 109.  All are now available to view or download through our online catalog.” [Texas Map Society]

This week the British Library launched an online collection of digitized “topographical materials” (i.e., views of and writings about places) called Picturing Places. More than 500 items—paintings, prints, drawings, texts and yes, maps—so far, sorted by theme and with dozens of accompanying articles.

Picturing Places demonstrates that topography involves far more than straightforward ‘pictorial evidence’ of what a place looked like in the past. We showcase some of the Library’s most treasured topographical materials, including Tudor views collected by Robert Cotton and maps and views owned by George III. But much of this material remains uncharted, and is being brought to wider attention for the first time. The first phase of Picturing Places features over 500 collection items, most never published before, and over 100 articles providing fresh perspectives and new ideas.

One of these digitized items is one of the Library’s crown jewels: the gigantic Klencke Atlas presented to Charles II in 1660, all of the pages of which can now be viewed online. How do you digitize an atlas that is 1.76 by 2.31 metres wide when open? Not with a flatbed scanner, you don’t. Here’s how:

Previously: British Library Digitizing George III’s Map Collection.

Speaking of scanning old maps. The State Library of New South Wales, Australia is scanning its copy of Jozeph da Costa e Miranda’s 1706 world map with a state-of-the-art high resolution scanner.

This digitisation process combines high resolution scanning, up to 1200 dpi, with precise lighting technique and incredibly accurate colour rendition. This process is ideal for scanning really large, long items like this map,  panoramas and items with high levels of fine detail.  The files captured at these resolutions allow up to 50× enlargement, making them excellent sources for detailed investigation into aspects of the physical substrate of the item and for innovative multimedia exhibition and display.

The map was scanned in 15cm sections and will be stitched together to create an exceptionally accurate and detailed high resolution file.

This short video (above) gives a close-up view of the process. [WMS]

NPR and the Washington Post report a fascinating story of how a rare atlas was identified in an unlikely fashion: being posted to Reddit. Last month, reference librarian Anders Kvernberg stumbled across an uncatalogued atlas in the vaults of the National Library of Norway. He could make out that it was an Ottoman atlas from 1803, but not much more than that, since he couldn’t read Ottoman Turkish. He did scan and post one of its maps to Reddit, where Redditors went to work translating the text. Then, a couple of weeks later, another Redditor posted an Ottoman map of Africa, which was identified as part of the Cedid Atlas (Cedid Atlas Tercümesi), published in Istanbul in 1803. The Library of Congress has a copy, which it acquired in 1998, digitized, and put online. Kvernberg went and looked—and, he says, “started recognising the scans. Then I realized this was the very same atlas I had held in my hands a few weeks earlier.” The Cedid Atlas was rare: only 50 were printed, and only 14 were known to be held in public institutions. It turns out that the National Library of Norway has the 15th. [via]

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A 1769 map of New Jersey by the famed colonial surveyor Bernard Ratzer, commissioned to settle a longstanding border dispute between New Jersey and New York, has been uncovered by a Harvard University librarian. The map, criss-crossed by competing and alternate boundary lines, has been digitized and is available to view online as part of Harvard’s Colonial North American project.