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2018 Map of Thornwell

Name: 2018 Topographic Map of Thornwell
Creator: U.S. Geological Survey
Published: 2018
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2018

About this map

Thornwell and the surrounding coastal prairie sit at the intersection of Jefferson Davis and Cameron Parishes, defined by a complex network of agricultural irrigation and drainage infrastructure. This landscape is shaped by the Thornwell Drainage Canal and the Holton and Winn Drainage Canal, which support the region's long-standing rice and crawfish farming traditions. The settlement patterns are sparse, anchored by small communities like Lowry and Niblett, along with localized residential areas such as Coto Plot.

Transitioning toward the southern wetlands, the terrain breaks into numerous marshy islands, including Goose Island and Biscuit Island, near the edges of Lake Arthur and Maple Marsh. Aviation serves as a critical link in this rural expanse, evidenced by Lyon Airport and the Goose Island Airport. The natural flow of Bayou Lacassine meanders through the southern portion of the quadrangle, illustrating the shift from engineered farmland to the wilder reaches of the Louisiana coastal marsh.