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2. Utility location - Wikipedia

   en.wikipedia.org/wiki/Utility_location

   United Kingdom: In Scotland there is an online web based service called Vault [12] (short for Scottish Community Apparatus Data Vault), which allows registered users to specify a polygon on a map and immediately obtain an interactive map of all major undertakers owning underground assets, except the principal telecoms operators. In the rest of ...

3. Ground-penetrating radar - Wikipedia

   en.wikipedia.org/wiki/Ground-penetrating_radar

   Borehole radars utilizing GPR are used to map the structures from a borehole in underground mining applications. Modern directional borehole radar systems are able to produce three-dimensional images from measurements in a single borehole. [8] One of the other main applications for ground-penetrating radars is for locating underground utilities.

4. 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.

5. Westland, Michigan - Wikipedia

   en.wikipedia.org/wiki/Westland,_Michigan

   ZIP code(s) 48185, 48186, 48187. Area code: 734: FIPS code: ... There are numerous Nature trails near Westland, Newburg lake is the nearest one to Westland.

6. Underground Service Alert - Wikipedia

   en.wikipedia.org/wiki/Underground_Service_Alert

   Underground Service Alert (USA) is a non-profit mutual benefit organization that links the excavation community and the owners of underground lines. Underground Service Alert has two separate call centers for California : Underground Service Alert of Northern California (USA North) and Underground Service Alert of Southern California (USA South ...

7. Weather Underground (weather service) - Wikipedia

   en.wikipedia.org/wiki/Weather_Underground...

   Weather Underground uses observations from over 250,000 personal weather stations worldwide. [21] The Weather Underground's WunderMap overlays weather data from personal weather stations and official National Weather Service stations on a Mapbox Map base and provides many interactive and dynamically updated weather and environmental layers. [22]

8. Near-field scanner - Wikipedia

   en.wikipedia.org/wiki/Near-field_scanner

   Electromagnetic near-field scanner (NFS [1]) is a measurement system to determine a spatial distribution of an electrical quantity provided by a single or multiple field probes acquired in the near-field region of a device under test possibly accompanied by the associated numerical post-processing methods enabling a conversion of the measured quantity into electromagnetic field.

9. List of tunnels in the United States - Wikipedia

   en.wikipedia.org/wiki/List_of_tunnels_in_the...

   Blount Tunnel, a rail tunnel near Blount Springs. [3] Brocks Gap Tunnel, a 900-foot-long (270 m) CSX rail tunnel in Hoover near Birmingham, under Shades Mountain. [4] Cooks Springs Tunnel, a Norfolk Southern rail tunnel near Cooks Springs, on the main line between Birmingham and Anniston. [5] Coosa Tunnel a rail tunnel on an active Norfolk ...