Maps in Chronological Order
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Map
of Johnstown's original street plan
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Map
of Johnstown showing Pennsylvania Canal basin (c. 1840-1850)
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Map
of Johnstown in 1854
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Map
of Johnstown showing path of Pennsylvania Canal and Portage Railroad,
c. 1850
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Map
of Johnstown area Portage Railroad sites
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Map
showing path of 1889 flood from South Fork to Johnstown
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Map
of Johnstown floodpath showing elevation
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Map of Johnstown floodpath showing topography (Caldwell Atlas, 1889)
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Map of Johnstown showing areas of flood destruction (Calwell Atlas,
1889)
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Map
of Pennsylvania showing record 1889 rainfall
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Map of Pennsylvania areas flooded in the Great Storm of May 1889
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