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2020 Map of Cairo

Name: 2020 Topographic Map of Cairo
Creator: U.S. Geological Survey
Published: 2020
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2020

About this map

Nyssa and the small community of Cairo anchor this agricultural landscape in Malheur County, where the desert gives way to a complex network of irrigation. The map reveals an intensive water management system essential to the region's productivity, featuring the Malheur Siphon, the Owyhee Ditch, and the Ontario Nyssa Canal. This infrastructure supports the farms surrounding the Lincoln Bench and the expansive Big Sage Flats.

Evidence of early 21st-century rural development is visible in the grid of named roads such as Thunderegg Blvd and Purple Sage Ln. Significant landmarks for local history and genealogy include the Nyssa Cem and the Lincoln Bench Reservoir. The drainage network, including the Nyssa-Arcadia Drain and Valley View Drain, illustrates the sophisticated engineering required to manage the water levels across this eastern Oregon terrain.