45 maps
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USGS historical 15-minute topo (1897)
USGS historical 15-minute topo (1902)
USGS historical 15-minute topo (1908)
USGS historical 15-minute topo (1959)
USGS historical 15-minute topo (1912)
USGS historical 15-minute topo (1957)
USGS historical 15-minute topo (1888)
USGS historical 15-minute topo (1899)
USGS historical 15-minute topo (1905)
USGS historical 15-minute topo (1893)
USGS historical 15-minute topo (1898)
USGS historical 15-minute topo (1895)
USGS historical 15-minute topo (1913)
USGS historical 15-minute topo (1960)
USGS historical 15-minute topo (1904)
USGS historical 15-minute topo (1900)