USGS topographic map resource - geological atlas folios
USGS topographic map resource - geological atlas folios:
Here are three of the folios showing the route of the Central Pacific Railroad in California:
Sacramento folio, California, 1887-88
Folios of the Geologic Atlas 5
By: Waldemar Lindgren
Colfax folio, California, 1885-87
Folios of the Geologic Atlas 66
By: Waldemar Lindgren
Truckee folio, California, 1889
Folios of the Geologic Atlas 39
By: Waldemar Lindgren
Courtesy of Dennis Hogan, from the Railway & Locomotive Historical Society Internet Message List digest.
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