Hacienda Azurarera Santa Elena, Sugar Mill Ruins, 1.44 miles North of PR Route 2 Bridge Over Rio De La Plata, Toa Baja, Toa Baja Municipio, PR

Significance: The ruins are the only extant remains pertaining to an industrial building in Puerto Rico dating back to the late 18th century. They illustrate the transition from a cattle-driven vertical wooden mill to steam technology. The impressive ruins are a classic example of Spanish Colonial architecture in proportion, design, and construction applied to sugar manufacturing needs.

Unprocessed Field note material exists for this structure: FN-5

Survey number: HAER PR-6

Building/structure dates: ca. 17q4 Initial Construction

Building/structure dates: after 1830 Subsequent Work

Building/structure dates: ca. 1891 Subsequent Work

sugar mills sugar plantations macun hacienda azurarera elena hacienda azurarera santa elena sugar mill ruins sugar mill ruins miles pr route bridge rio plata rio de la plata toa baja toa baja municipio toa baja municipio puerto rico francisco javier blanco jack boucher brian cary conservation trust of puerto rico eric delony charles p egbert juan rijus feduchi figueras geronimo fonalledas jamie fonalledas robert fraga douglas l griffin historic american engineering record richard a howard institute of mechanical engineers of puerto rico javier melendez mirrlees and watson benjamin nistal moret hector sanchez sanchez reinhard a valle jean p yearby photo ultra high resolution high resolution 18th century manufacturing plants manufacturing library of congress

1969 - 1980

Library of Congress

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