Apo Reef Light control of the Philippines, all the Spanish plans and records were turned over to the United States. In 1903, the Bureau of Lighthouse Construction proposed to continue the construction of the third-order light on Bajo Apo Island. The tower was found in excellent condition at the warehouse by the Americans together with the tower for Capitancillo Islet in Bogo City, Cebu. A survey party was sent to the station in November 1903 for the topographical surveying of the Island as no work has ever been attempted yet by the Spaniards on this station—unlike in Tanguingui Island or Capitancillo Island where
Apo-eup Unified Silla in 757, when it made up two "myeon" in Gaeryeong-hyeon: Dong-myeon and Apo-myeon. This situation continued for more than a thousand years, until the massive reorganization of Korea's local governments in 1914, at which time the two "myeon" were united into the present-day entity of Apo-eup. Apo-eup was originally part of Gimcheon County; when the county was split into Gimcheon City and Geumneung County in 1949, it became part of Geumneung County. With the reunification of city and county in 1995, Apo-eup became part of Gimcheon once more. Apo-eup is located near the heart of the national transportation