Table 13. Land Area and Population Density: 1990
|
Puerto Rico Municipio Municipio Subdivision Place | All persons | Land Area | Persons per- | ||
| Square kilometer | Square miles | Square kilometer | Square mile | ||
| Puerto Rico | 3,522,037 | 8,874.6 | 3,426.5 | 396.9 | 1,027.9 |
The world's largest filled-aperture telescope (i.e., a full dish) is the Arecibo radio telescope located in Arecibo, Puerto Rico, whose 305-meter dish is fixed in the ground.
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