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Add settlements from 1916 map
Closed
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Extend railroad tracks from 1916 map
Closed
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Add settlements from 1914 map
Closed
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Add railroad tracks
Closed
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Add road connecting ferry
Closed
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Add ferry
Closed
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Add bridge
Closed
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Extend freeway
Closed
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Add primary road (before median-divided highway), and modern highway (freeway)
Closed
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Add source for bridge geometry
Closed
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Richardson Bay bridges
Closed
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Add tunnels and start dates
Closed
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Extend primary road
Closed
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Tag primary road (maybe should be trunk?) across Golden Gate Bridge
Closed
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Connect and tag source on existing railroad tracks
Closed
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Connect and tag source on existing railroad tracks
Closed
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Extend railroad tracks from 1943 map
Closed
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Tag existing railroad track with source
Closed
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Add railroad tracks from 1941 map
Closed
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Add settlements from 1906 map
Closed