‘The Source’ May 2021

Page 1

Civil War News

18

May 2021 ‘Swipe’ function, drag across the old and the new, thus producing a general idea of various positions. See figure 2. Caution: one can spend many hours experimenting with this excellent tool! See figure 3. Take time to adjust the selected map’s transparency and try one of the five different current map formats, like Google Maps used for this trip. Until next month, continued good luck in researching the American Civil War!

The David Rumsey Historical Map Collection Advances in technology continue to open windows to view our past through various lenses. Thanks to The David Rumsey Map Collection Database at the Stanford University Library, researchers can better understand the location of earthworks, troop positions, and more, all contrasted against a backdrop of modern maps. Pretty cool! Begin your reconnaissance mission at http://bit.ly/3956F6o. (This writer created an abbreviated URL to the Civil War section of the Rumsey Collection. See figure 1.) Select ‘Refine Search,’ and spend some time reviewing

the options available; many exist! For this exercise, the writer chose ‘Georgia’ to refine the search, which yielded 62 maps. Now, the fun begins! Orlando Poe’s map of the siege of Atlanta will serve as the trial. When selecting Poe’s plan, one receives the screen shown below. Click ‘View in Georeferencer.’ This action will open another browser window. See figure 1. Experiment with the various viewing options. For this exercise, select ‘Overlay & compare.’ Select the ‘Earth’ icon on the left to opt for a particular map to compare with the historical map. Using the Google maps option, and after experimenting with the zoom-levels, one can use the

Michael K. Shaffer is a Civil War historian, author, lecturer, and instructor, who remains a member of the Society of Civil War Historians, Historians of the Civil War Western Theater, and the Georgia Association of Historians. Readers may contact him at mkscdr11@gmail.com or request speaking engagements via his website www.civilwarhistorian.net. Follow Michael on Facebook www.facebook.com/michael.k.shaffer, and Twitter @michaelkshaffer.

Fig. 3. Georeferencer page.

Deadlines for Advertising or Editorial Submissions is the 20th of each month. Email to: ads@civilwarnews.com

Letters to the Editor: Please email: mail@civilwarnews.com

Fig. 1 Civil War section of the Rumsey Collection.

Fig. 2. Poe’s map page.

18

Civil War News

May 2021


Turn static files into dynamic content formats.

Create a flipbook
Issuu converts static files into: digital portfolios, online yearbooks, online catalogs, digital photo albums and more. Sign up and create your flipbook.
‘The Source’ May 2021 by Michael K. Shaffer - Issuu