
Mount Tabor rises as a prominent landmark in this 1970s orthophotographic study, which utilizes aerial imagery taken by the U. S. Corps of Engineers to reveal the dense urban fabric of eastern Portland. Unlike traditional topographic maps that rely on contour lines and symbols, this aerial perspective captures the literal footprint of mid-century residential growth, commercial corridors, and the sprawling industrial activity along the riverfront. The imagery provides a clear view of the parklands surrounding the cinder cone at Mount Tabor, contrasting the preserved natural space with the surrounding street grid that defines this portion of Multnomah County. Researchers can observe the exact configuration of infrastructure and housing as it existed in September 1975, offering a precise visual record of the city's suburban and industrial evolution during this era.
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1897 · Portland
USGS Topo · 1:62,500
1905 · Portland
USGS Topo · 1:62,500
1911 · Boring
USGS Topo · 1:48,000
1914 · Boring
USGS Topo · 1:62,500
1914 · Oregon City
USGS Topo · 1:62,500
1916 · Estacada
USGS Topo · 1:125,000
1918 · Troutdale
USGS Topo · 1:62,500
1934 · Troutdale
USGS Topo · 1:48,000
1939 · Oregon City
USGS Topo · 1:62,500
1940 · Boring
USGS Topo · 1:62,500