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1971 Map of Union Hills, 1972 Print
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1971 Map of Union Hills

USGS Topo · Published 1972

About this map

Adobe stands as a primary point of development within this 1971 orthophotomosaic, which reveals the transitioning landscape of northern Maricopa County. The imagery, captured by the Geological Survey, shows the desert floor beginning to transform with early residential street grids and industrial footprints carved into the arid terrain. The natural hydrology of the area is defined by the prominent paths of Skunk Creek in the west and Cave Creek toward the center, both cutting through the alluvial plains south of the rising Hills. This specific document captures a moment of suburban expansion just before the intensive growth that would later reshape this portion of the Phoenix metropolitan area, making it an essential reference for understanding the historical topography and land use patterns of the early 1970s.

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Map Details

Date Portrayed1971
Date Published1972
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions23 x 26.9 inches

Editions of this 1971 Union Hills Map

This is the sole edition of this map. No revisions or reprints were ever made.

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain