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2. Geotechnical investigation - Wikipedia

   en.wikipedia.org/wiki/Geotechnical_investigation

   Geotechnical investigations are performed by geotechnical engineers or engineering geologists to obtain information on the physical properties of soil earthworks and foundations for proposed structures and for repair of distress to earthworks and structures caused by subsurface conditions; this type of investigation is called a site investigation.

3. Geophysical survey - Wikipedia

   en.wikipedia.org/wiki/Geophysical_survey

   Geophysical surveys have many applications in geology, archaeology, mineral and energy exploration, oceanography, and engineering. Geophysical surveys are used in industry as well as for academic research. The sensing instruments such as gravimeter, gravitational wave sensor and magnetometers detect fluctuations in the gravitational and ...

4. Ground-penetrating radar - Wikipedia

   en.wikipedia.org/wiki/Ground-penetrating_radar

   Ground penetrating radar survey is one method used in archaeological geophysics. GPR can be used to detect and map subsurface archaeological artifacts, features, and patterning. [14] GPR depth slices showing a crypt in a historic cemetery. These planview maps show subsurface structures at different depths.

5. What is a property survey, and how do I get one? - AOL

   www.aol.com/finance/property-survey-one...

   A simple boundary survey can cost anywhere from $100 to $600, while a mortgage survey for buying a house costs about $500, according to data from HomeAdvisor. A survey for fencing can run up to ...

6. Cost estimate - Wikipedia

   en.wikipedia.org/wiki/Cost_estimate

   A cost estimate is often used to establish a budget as the cost constraint for a project or operation. In project management, project cost management is a major functional division. Cost estimating is one of three activities performed in project cost management. [3] In cost engineering, cost estimation is a basic activity. A cost engineering ...

7. Near-surface geophysics - Wikipedia

   en.wikipedia.org/wiki/Near-surface_geophysics

   Magnetic surveying can be done on a planetary scale (for example, the survey of Mars by the Mars Global Surveyor) or on a scale of meters. In the near-surface, it is used to map geological boundaries and faults, find certain ores, buried igneous dykes, [8] locating buried pipes and old mine workings, and detecting some kinds of land mines.