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| Yosemite Watershed Facilities map. Courtesy San Francisco P.U.C.. |
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| San Francisco Historical map, circa 1909. |
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| Historic F-Streetcar Extension map. Courtesy of Market Street Railway. |
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| San Francisco Open Space Adjacency map. Courtesy of WalkFirst. |
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| San Francisco Freeways map. Courtesy of Steve Boland. |
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| San Francisco Historical Waterways map. Courtesy of FoundSF |
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| Street condition map. Courtesy of Polymaps, Inc. |
