Cemetery Plot Mapping with Ground Penetrating Radar (GPR)
Cemetery GPR Mapping will identify and record accurate representations of marked and unmarked graves. GPR is a non-destructive geophysical method of testing that allows for respectful imaging and mapping of the burial grounds in the most non-invasive way possible.
Why Do You Need a Cemetery Plot Map Using GPR?
As the cost of real estate continues to rise, and the size of our aging population grows, managing a cemetery has become more and more challenging. Working with an inaccurate cemetery plot map can cause a whole host of problems and prevent further development of the grounds.
Ground Penetrating Radar surveys will plot each burial site with pinpoint accuracy. This allows for informed planning for future development. With a GPR cemetery plot map, there is no chance of disturbing existing remains.
Perhaps you have discovered an old and forgotten cemetery on your property. Using ground penetrating radar to plot the burial sites can give you an understanding of the scope of the graveyard. GPR can help by locating unmarked graves and providing definition to incorrectly positioned headstones.
There are often no visible signs of the burial location at the surface level. Even if grave markers are present they may be incorrectly positioned. Cemetery GPR mapping of the area will plot each burial site to ensure this piece of hidden history will no longer be forgotten.
Many historical burial sites have missing or inaccurate records which makes creating a cemetery plot map without GPR exceedingly difficult. Prior to the mid-1800’s, only wealthy and affluent families could afford headstones. This means that many unmarked graves are likely present in countless cemeteries across the nation.
Some of these unmarked burial sites may have once had a fieldstone marker or wooden cross that have since disappeared. However some may have been enslaved burials or poor tenant farmers with no original marker.
How Do You Make a Cemetery Plot Map Using GPR?
The Omega Mapping Service field technician will use the latest technologies in Ground Penetrating Radar and GPS/GIS data collectors to draw precise renderings of the cemetery’s acreage. The combination of these technologies is key to an accurate representation of the cemetery.
With a Robotic GPS system, the field technician will capture a detailed picture of the surface landmarks in addition to the GPR data which completes the underground view. While the field technician can interpret the GPR data real time, blending these two mediums together allows Omega Mapping Service to build a precise map and printable cemetery plot database.
The Ground Penetrating Radar transmitter and antenna emits pulses of higher frequencies of radio waves into the ground. The depth of penetration of these pulses is often tens of feet, although this is dependent on the dielectric properties of the soil conditions. The electrical conductivity materials present in the soil affect how far the signal is able to penetrate.
Reveal the Past
When the Ground Penetrating Radar signal reaches a buried object it will reflect back to the GPR system. This will show a hyperbola on the viewing screen indicating a soil disturbance. Examples of such disturbances are wooden caskets, vaults, ceremonial burial items, skeletal remains, voids in the earth where remains are (or were), and more.
Plan for the Future
GPR scans can also assist in subsurface utility locating. This will allow for electrical, plumbing, gas lines, and other underground utilities to be easily identified, mapped, and avoided. Locating underground utilities, and having an “as built” map of their locations, is vital for future development of the property.
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