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2. List of quarries in the United States - Wikipedia

   en.wikipedia.org/wiki/List_of_quarries_in_the...

   State Quarry, Iowa Men's Reformatory, Anamosa, Iowa, NRHP-listed, includes a quarry; T.J. Gipple's stone quarry, near NRHP-listed Gipple's Quarry Bridge (1893), Columbus Junction, Iowa; Old State Quarry, North Liberty, Iowa, NRHP-listed; Quarry, Iowa, site of limestone quarrying in Marshall County, Iowa. Town was laid out by Le Grand Quarry ...

3. Thornton Quarry - Wikipedia

   en.wikipedia.org/wiki/Thornton_Quarry

   Overhead view of the quarry. Thornton Quarry is one of the largest aggregate quarries in the world, located in Thornton, Illinois just south of Chicago. The quarry is 1.5 miles (2.4 km) long, 0.5 miles (0.80 km) wide, and 450 feet (140 m) deep at its deepest point. Gallagher Asphalt Corporation has been operating on the grounds of the quarry ...

4. Category:Quarries in the United States - Wikipedia

   en.wikipedia.org/wiki/Category:Quarries_in_the...

   Barron County Pipestone Quarry; Basalt Cobblestone Quarries District; Bass Island Brownstone Company Quarry; Beaumont-Tyson Quarry District; Beaver Dam (Maryland) Big Run Quarry Site; Broad Creek Soapstone Quarries; Adolph Brower House

5. Quarry - Wikipedia

   en.wikipedia.org/wiki/Quarry

   Stone quarry is an outdated term for mining construction rocks (limestone, marble, granite, sandstone, etc.). There are open types (called quarries, or open-pit mines) and closed types (mines and caves). For thousands of years, only hand tools had been used in quarries. In the eighteenth century, the use of drilling and blasting operations was ...

6. San Rafael Rock Quarry - Wikipedia

   en.wikipedia.org/wiki/San_Rafael_Rock_Quarry

   As of June 1914, the quarry produced an average of 2500 tons per day. Much of the rock is a hard, bluish, Franciscan metamorphic sandstone, alongside shale. [5] The main quarry bowl is approximately 1,800 feet (550 m) wide from west to east, and 800 feet (240 m) wide from south to north, and has a maximum depth of 250 feet (76 m) below sea level.

7. CEMEX gravel mine near Fresno allowed to skirt ... - AOL

   www.aol.com/cemex-gravel-mine-near-fresno...

   Opinion by Marek Warszawski: Fresno County continues to give “false impression” on San Joaquin River quarry up for extension. CEMEX gravel mine near Fresno allowed to skirt environmental laws ...