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On this spot, the crew set up a video camera and connected it to a laptop computer. A software package called "Photoshop" allowed Senior Animation Specialist Jeff Coleman of URS Greiner to align the field image to the 1862 Gardner photo and compare them directly. |
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| With the Gardner camera position refined, it was now possible to inspect the composite image visually. Using 300-foot tape measures, the field crew was able to triangulate from enough extant building corners to locate Gardner's 1862 camera position. |
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Last Updated: June 2, 1998