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1978 Map of Holt

Name: 1978 Topographic Map of Holt
Creator: U.S. Geological Survey
Published: 1994
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1994

About this map

The intricate Delta landscape of San Joaquin County is defined here by a network of engineered waterways and reclaimed tracts. The San Joaquin River and the Stockton Deep Water Channel serve as primary arteries, weaving past islands like Vulcan Island and the U.S. Naval Reservation Rough and Ready Island. This 1970s survey captures the region's agricultural and industrial infrastructure, from the Gas Field on Mc Donald Island to the Mokelumne Aqueduct traversing the tracts.

Local life centers on small settlements and rural crossroads such as Holt and Gillis. Educational landmarks like Holt Union Sch and Kingston School are recorded alongside the essential pumping stations and tide gages that maintain the balance of this low-lying terrain. The map also documents transportation links of the era, including the McDonald Island Fy and various cuts like Empire Cut that facilitate movement through the dense sloughs and tracts.