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  2. Ponce Cement - Wikipedia

    en.wikipedia.org/wiki/Ponce_Cement

    Ponce Cement, Inc. was a cement and limestone manufacturer in Ponce, Puerto Rico.The company was located at the intersection of PR-123 and PR-500, in Barrio Magueyes. [3] It was founded in 1941 [4] by Antonio Ferré Bacallao, a Puerto Rican industrialist of Cuban origin. [5]

  3. Ponce Limestone - Wikipedia

    en.wikipedia.org/wiki/Ponce_Limestone

    The Ponce Limestone is a geologic formation in Puerto Rico. It preserves fossils dating back to the Neogene period [ 3 ] (20.45 million years ago ( Mya ). Description

  4. Cotui Limestone - Wikipedia

    en.wikipedia.org/wiki/Cotui_Limestone

    The Cotui Limestone is a geological formation in Puerto Rico. It preserves fossils dating back to the Cretaceous period. [1] See also

  5. Guajataca State Forest - Wikipedia

    en.wikipedia.org/wiki/Guajataca_State_Forest

    Guajataca State Forest is located in the middle of the karst landscape country, particularly the Northern Karst zone of Puerto Rico. A karst is a topographical zone formed by the dissolution of soluble porous rocks, in this case limestone, with features such as mogotes, canyons, caves, sinkholes, streams and rivers, all of which are common on this region of the island.

  6. List of U.S. state minerals, rocks, stones and gemstones

    en.wikipedia.org/wiki/List_of_U.S._state...

    ^ Florida's state gem, moonstone, was adopted to highlight Florida's role in the United States' Lunar program, which landed the first astronauts on the Moon. [81] ^ Since 1983, Massachusetts has had 3 other official state rocks: State Historical Rock (Plymouth Rock), State Explorer Rock (Dighton Rock), and State Building and Monument Stone . In ...

  7. Northern Karst Belt - Wikipedia

    en.wikipedia.org/wiki/Northern_Karst_Belt

    The Northern Karst Belt (Spanish: Cinturón del Carso Norteño) is a limestone karst landscape located in the northwestern region of Puerto Rico. A karst is a topographical zone formed by the dissolution of soluble porous rocks, such as limestone , with features such as mogotes , canyons , caves , sinkholes , streams and rivers , all of which ...

  8. List of U.S. state and territory abbreviations - Wikipedia

    en.wikipedia.org/wiki/List_of_U.S._state_and...

    The traditional abbreviations for U.S. states and territories, widely used in mailing addresses prior to the introduction of two-letter U.S. postal abbreviations, are still commonly used for other purposes (such as legal citation), and are still recognized (though discouraged) by the Postal Service.

  9. Economy of Puerto Rico - Wikipedia

    en.wikipedia.org/wiki/Economy_of_Puerto_Rico

    The economy of Puerto Rico is classified as a high-income economy by the World Bank and as the most competitive economy in Latin America by the World Economic Forum. [14] [15] The main drivers of Puerto Rico's economy are manufacturing, which primarily includes pharmaceuticals, textiles, petrochemicals, and electronics; followed by the service industry, notably finance, insurance, real estate ...