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1989 Map of Koht Kohl Hill

Name: 1989 Topographic Map of Koht Kohl Hill
Creator: U.S. Geological Survey
Published: 1989
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1989

About this map

The Papago Indian Reservation landscape is defined by vast desert basins and stark volcanic rises in this late-twentieth-century survey. The terrain is centered on the broad Aguirre Valley, where intermittent drainage systems like House Wash, Aguirre Wash, and Viopuli Wash suggest the seasonal movement of water through the arid environment. Prominent landmarks such as Koht Kohl Hill, Cerro Negro, and Twin Peaks provide significant topographic relief against the valley floor, while the eastern edge is flanked by the Roskruge Mountains.

Cultural history is marked by the presence of former habitation areas at Skoksonak (Site) and Quinlin (Site), alongside isolated Cemetery and Cem locations. In the northeast, evidence of mineral exploration is clear through clusters of Mine Shafts and various Prospects, indicating the region's history of small-scale mining efforts. A major Trans Line cuts diagonally across the reservation, illustrating the modern infrastructure that connects this desert region to larger power and utility networks.