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1971 Map of Tampico

Name: 1971 Topographic Map of Tampico
Creator: U.S. Geological Survey
Published: 1985
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1985

About this map

Cowiche Mountain and Ahtanum Ridge frame this detailed landscape in Yakima County, illustrating the transition from steep high-desert slopes to the irrigated agricultural flats below. The settlement of Tampico sits at the convergence of the North Fork and South Fork Ahtanum Creek, serving as a gateway to the mountains where numerous corrals and jeep trails snake through Cowiche Basin.

Downstream, the human imprint on the land is defined by water management and local community landmarks. The Lower Ahtanum Ditch and Ahtanum Canal carry water to the valley floor, passing the Bachelor School and the St Joseph Mission. A stark Reservation Boundary runs along the southern bank of Ahtanum Creek, separating the developed irrigation networks and local roads like Shaw Road and Hazen Road from the rising terrain of the ridge.