El Sal del Rey
Linn, Hidalgo County, Texas
Marker Inscription
(The Salt of the King) Directly to the north. Upon Spanish discovery, 1746, claimed for King, under old law that salt was money. People of wide area got salt here. 1863-64 works aided Texas in the Civil War. Later disputes over El Sal del Rey established Texas laws for private ownership of minerals. (1964)
Erected by Texas Historical Commission
The Story
On the South Texas plains northeast of Linn lies a natural salt lake the Spanish claimed for the crown upon its discovery in 1746, invoking the old principle that salt itself was a form of money. For generations people across a wide region hauled away salt from its shores, and during 1863–64 its works helped supply Confederate Texas. Later legal battles over who owned the lake helped shape the state's foundational laws on private mineral ownership.
Why it matters
El Sal del Rey ties together three centuries of American history—Spanish colonial rule, Civil War logistics, and the birth of Texas mineral law that still governs who owns what lies beneath the ground.
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Nearby & related markers
El Sal del Rey, C.S.A.
Edinburg, TX
This large natural salt lake northeast of Edinburg was South Texas's principal source of salt during the Civil War, placed under state guard in 1862 and sold to families, the Confederate army, and traders on the vital "cotton road" through Mexico. Salt was indispensable to the wartime South—for curing meat under the meat tithe, tending cavalry horses, and tanning leather for shoes and harness—so Union forces repeatedly wrecked the works from 1863 until war's end. The lake also figured in the long legal fight over Texas mineral ownership, settled toward private landowners in the constitutions of 1866 and after.
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Macedonio Vela settled this stretch of brush country in 1867 and turned more than 4,000 acres into the flourishing Laguna Seca ("Dry Lake") Ranch, which eventually swelled to 80,000 acres. In 1871 his daughter Carlota planted the first orange trees in Hidalgo County from seeds a traveling priest had given her—an early spark for what became a major citrus region. A school, post office, and Catholic church soon followed, and the ranch remains in Vela hands generations later.
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Since the days of the first Spanish chroniclers passing through the region, a great salt lake here yielded salt that supplied much of northern Mexico. In an age before refrigeration, salt was essential for preserving meat and hides, making such natural deposits a prized resource. The lake tied this corner of South Texas into trade networks reaching deep across the border.
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