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The quarry produced high-quality granite used to construct many buildings in San Francisco and Sacramento, including parts of the California State Capitol. [3] The 23 acres (9.3 ha) that surround the 2-storey building, made of granite blocks, are the remains of the quarry and its polishing mill. [ 2 ]
Zimmerman Kame, NRHP-listed glacial kame and archaeological site in McDonald Township, Hardin County, Ohio, was a commercial gravel pit ending in the 1970s; Dravo Gravel Site, an archeological site with artifacts from the Archaic period above the Great Miami River in Miami Township, Hamilton County, Ohio, located in what is now a gravel pit
Completed in 1874-11-15, the North Bloomfield Mining and Gravel Company carved a 7,800 feet (2,400 m) long drainage tunnel through solid bedrock at Malakoff Mine. After tunnel completion, the company reached its peak processing of 50,000 tons of gravel each day by operating seven giant monitors twenty-four hours a day, seven days a week. In the ...
These allow citizens to report potholes and other road hazards, optionally including a photograph and GPS coordinates. [11] [12] It is estimated there are 55 million potholes in the United States. [13] The self-proclaimed pothole capital, Edmonton, Alberta, Canada reportedly spends $4.8 million on 450,000 potholes annually, as of 2015. [14]
The gravel was 1 + 1 ⁄ 2 miles from the Southern Pacific railhead which required the construction of a conveyor belt between the pit and the railroad. At the suggestion of one of Kaiser's engineers, a 9.6-mile conveyor belt system was built, completely bypassing the railroad, and delivering the aggregate at $.18/ton.
You can report potholes online via RequestIndy with the Mayor's Action Center or by calling 317-327-4622. The Mayor's Action Center is open for calls from 8 a.m. to 5 p.m. on weekdays except ...
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The teams respond to public requests for pothole filling made through the Mayor's Action Center phone line, 317-327-4622, or the RequestIndy app. They are one arm of the city's road response ...