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1990 Map of Rock Springs Table

Name: 1990 Topographic Map of Rock Springs Table
Creator: U.S. Geological Survey
Published: 1990
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1990

About this map

Sheldon National Wildlife Refuge dominates this high-desert landscape in northern Humboldt County, where the distinctive flat-topped Rock Spring Table rises between the Rock Spring Basin and Big Mountain. The mapping reveals a remote environment defined by scattered water sources vital for both wildlife and early ranching, including Rock Spring, Alkali Spring, and Cottonwood Spring.

Evidence of human presence in this protected area is concentrated at sites like the Alkali Ranch and the East Rock Spring Campsite. Drainage patterns are clearly marked by the winding courses of Virgin Creek and Sagebrush Creek, while the southern reaches of the quadrangle include the Wild Horse Pasture and the ephemeral Onion Lake. This 1990 provisional edition provides an essential record of the refuge's topography and hydrologic features before late-century shifts in land management.