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1966 Map of Ninetysix Hills NE

Name: 1966 Topographic Map of Ninetysix Hills NE
Creator: U.S. Geological Survey
Published: 1969
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1969

About this map

Box O Ranch and Helmchen Ranch anchor this landscape of the Ninetysix Hills during the mid-1960s, illustrating the ranching operations and water management systems required in this arid portion of Pinal County. The network of stock tanks, including Rock Tank, The Lake Tank, and Eight Section Tank, suggests a land use dedicated to livestock, connected by a primitive transportation grid of Jeep Trails and the Barkerville Road.

Drainage patterns like Donnelly Wash and Cottonwood Wash dominate the topography, carving through the terrain where unimproved dirt roads and the Old Florence Road provide the only passage. This survey, field-checked in 1966, captures a specific era of Arizona ranching before significant modern development, preserving the locations of family-named landmarks and historical property boundaries defined by the Box O Hills.