Panama Canal Zone, Former unincorporated territory in Central America.
The Panama Canal Zone was a narrow strip of roughly 553 square miles stretching along the canal from the Pacific coast to the Atlantic shore. The territory included the waterway itself, numerous military installations, residential neighborhoods, and the infrastructure needed to operate the passage.
The United States secured control of the area through the Hay-Bunau-Varilla Treaty in 1903 and began constructing the canal. The zone remained under American administration until 1979, when the gradual transfer to Panama began.
The territory contained distinct residential areas with American-style neighborhoods, educational institutions, and administrative buildings centered around the capital city of Balboa.
The former territory was divided into two administrative districts: Balboa on the Pacific side and Cristóbal on the Atlantic side. Each district had its own police force and postal facilities that operated independently.
The territory used a dual payroll system with a gold roll for American employees and a silver roll for all other workers. This system determined not only wages but also access to housing, schools, and recreational facilities within the zone.
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