
Helena appears during a period of transition in the mid-1970s, shown through this orthophotograph produced by the Geological Survey in cooperation with the Soil Conservation Service. The imagery follows the serpentine path of the Cahaba River, which winds through the ridges of Shelby County. Unlike traditional line-drawn maps, this aerial perspective reveals the exact footprint of residential clearings, industrial sites, and the dense forest cover that characterized the area during this era. The concentration of structures around the historical center of Helena contrasts with the surrounding topography, documenting the early stages of suburban expansion and land use patterns before the intensive development of later decades.
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