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1956 Map of Tranquillity

Name: 1956 Topographic Map of Tranquillity
Creator: U.S. Geological Survey
Published: 1968
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1968

About this map

Tranquillity and Mendota anchor this Central Valley landscape in the mid-1950s, a period defined by massive water management and the expansion of the Mendota Wildlife Management Area. The map reveals an intricate network of canals and dikes designed to control the Fresno Slough and James Bypass, including specialized features like Fish Rearing Ponds and various water control levees. These engineering efforts supported both the local agriculture and the protected wetlands that dominate the central portion of the quadrangle.

Industrial and transport corridors follow the Southern Pacific railroad line, passing through small sidings like Ingle. The grid of rural roads, including Whites Bridge Road and California Avenue, connects remote outposts such as Yearout Ranch to the primary settlements. This survey captures a specific moment when the natural hydrology of the valley was being systematically redirected for irrigation and conservation, evidenced by the prominent Management Area Headquarters and the distinct Santa Fe Grade.