Martinsburg serves as the central hub of this agricultural and aviation landscape in Blair County, where the valley floor is punctuated by numerous family and denominational burial grounds. The presence of the Altoona-Blair County Airport and the smaller Baker-Sell Airport highlights the importance of regional aviation, while the Martinsburg Junction rail point indicates the area's historical transportation connectivity.
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1900 · Everett
USGS Topo · 1:62,500
1901 · Huntingdon
USGS Topo · 1:62,500
1902 · Everett
USGS Topo · 1:62,500
1902 · Hollidaysburg
USGS Topo · 1:62,500
1903 · Hollidaysburg
USGS Topo · 1:62,500
1904 · Huntingdon
USGS Topo · 1:62,500
1930 · Broad Top
USGS Topo · 1:62,500
1933 · Broad Top
USGS Topo · 1:62,500
1953 · Pittsburgh
USGS Topo · 1:250,000
1954 · Pittsburgh
USGS Topo · 1:250,000