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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 ]
In 2021, Sarah Beaulieu, an anthropologist experienced at searching for historical gravesites, [55] surveyed the site of the Kamloops Indian Residential School on the lands of Tk’emlúps te Secwépemc First Nation with ground-penetrating radar and observed "disruptions in the ground" which she concluded could be 200 unmarked graves, based on ...
A desk-based assessment [note 1] was conducted to determine the archaeological viability of the site, followed by a survey in August 2011 using ground-penetrating radar (GPR). [20] The GPR results were inconclusive; no clear building remains could be identified owing to a layer of disturbed ground and demolition debris just below the surface.
In 2021, Sarah Beaulieu, an anthropologist at the University of the Fraser Valley, surveyed the apple orchard on the grounds with ground-penetrating radar (GPR) and concluded it probably had some 200 unmarked graves, [6] [7] [8] but noted that "only forensic investigation with excavation" could confirm the presence of human remains. [9]
Ground-penetrating radar was the primary technique used to uncover the findings at Legio. The technique involves using antenna frequencies and data-acquisition parameters to analyze what lay beneath the surface of a variety of different types of soil.
[6] [9] The site yielded 30 excavated burials containing the remains of at least 44 individuals, including both males and females of different ages, and most of them were buried with ornaments. [6] Data from excavations and ground-penetrating radar (GPR) reveal that the cemetery was a planned and multi-generational project. [10]
“We are hopeful as time goes on that so will the quality of ground and concrete penetrating radar, that that technology will improve as well so that we can hopefully confirm or deny our ...
The ground penetrating radar yielded no information about the location of Yagan's head, as the highly disturbed graveyard soil contained many reflecting sources. However, the ground conductivity measurements showed an anomaly in the electromagnetic signature that it was thought might be caused by metal artifacts buried with the head.
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