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  2. Utility location - Wikipedia

    en.wikipedia.org/wiki/Utility_location

    Utility locator tool in use (Perry, Oklahoma, 2011) Utility location is the process of identifying and labeling public utility mains that are underground. These mains may include lines for telecommunication, electricity distribution, natural gas, cable television, fiber optics, traffic lights, street lights, storm drains, water mains, and wastewater pipes.

  3. Houston tunnel system - Wikipedia

    en.wikipedia.org/wiki/Houston_tunnel_system

    Coordinates: 29.75°N 95.37°W. A tunnel in the west part of the downtown loop. The Houston tunnel system is a network of subterranean, climate-controlled, pedestrian walkways that links 95 full city blocks 20 feet (6 m) below Houston 's downtown streets. It is approximately six miles (9.7 km) long. [ 1] There are similar systems in Chicago ...

  4. Dallas Pedestrian Network - Wikipedia

    en.wikipedia.org/wiki/Dallas_Pedestrian_Network

    The Dallas Pedestrian Network or Dallas Pedway is a system of grade-separated walkways covering thirty-six city blocks of Downtown Dallas, Texas, United States. [ 1] The system connects buildings, garages and parks through tunnels and above-ground skybridges. The network contains an underground city of shops, restaurants and offices during ...

  5. Utility tunnel - Wikipedia

    en.wikipedia.org/wiki/Utility_tunnel

    A utility tunnel, utility corridor, or utilidor is a passage built underground or above ground to carry utility lines such as electricity, steam, water supply pipes, and sewer pipes. Communications utilities like fiber optics, cable television, and telephone cables are also sometimes carried. One may also be referred to as a services tunnel ...

  6. List of Underground Railroad sites - Wikipedia

    en.wikipedia.org/wiki/List_of_Underground...

    John R. Park Homestead Conservation Area – Essex. The Park Homestead was a station on the Underground Railroad. [ 9][ 10] John Freeman Walls Historic Site – Lakeshore. [ 1][ 2] John Freeman Walls, left his enslavers in North Carolina and settled in Canada. The Refugee Home Society supplied the money to buy land and he built a cabin.

  7. Ground-penetrating radar - Wikipedia

    en.wikipedia.org/wiki/Ground-penetrating_radar

    Ground-penetrating radar ( GPR) is a geophysical method that uses radar pulses to image the subsurface. It is a non-intrusive method of surveying the sub-surface to investigate underground utilities such as concrete, asphalt, metals, pipes, cables or masonry. [ 1] This nondestructive method uses electromagnetic radiation in the microwave band ...

  8. A power company’s app couldn’t keep up after Hurricane Beryl ...

    www.aol.com/finance/power-company-app-couldn-t...

    A map on the chain’s app showed orange logos for open locations and gray ones for closed stores. Norton has been without power for over 27 hours and has been frequently checking various apps to ...

  9. Campus of Texas A&M University - Wikipedia

    en.wikipedia.org/wiki/Campus_of_Texas_A&M_University

    Academic Plaza. The campus of Texas A&M University, also known as Aggieland, is situated in College Station, Texas, United States. Texas A&M is centrally located within 200 miles (320 km) of three of the 10 largest cities in the United States and 75% of the Texas and Louisiana populations.