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Field investigations of abandoned Negro cemeteries using GPR presented by Alison Henning Rice...
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![Page 1: Field investigations of abandoned Negro cemeteries using GPR presented by Alison Henning Rice University March 9, 2007.](https://reader036.fdocuments.us/reader036/viewer/2022062315/5697bfd81a28abf838caf0ca/html5/thumbnails/1.jpg)
Field investigations of abandoned Negro cemeteries Field investigations of abandoned Negro cemeteries using GPRusing GPR
presented bypresented byAlison HenningAlison HenningRice UniversityRice University
March 9, 2007March 9, 2007
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Field Work Without Rocks!Field Work Without Rocks!
• Not much field work in Houston unless you are a sedimentologist – or a geophysicist!
• Perform geophysical field work (mainly GPR, magnetometer) in abandoned cemeteries
• Ties in to Houston history, archeology, land development, service learning
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Abandoned CemeteriesAbandoned Cemeteries
• Local geological society was volunteering at this cemetery
• We discussed possibility of using GPR to document unmarked graves
• Brought students out during the summer for GPR
• Undergrads in GIS class returned several times to acquire GPS data
![Page 4: Field investigations of abandoned Negro cemeteries using GPR presented by Alison Henning Rice University March 9, 2007.](https://reader036.fdocuments.us/reader036/viewer/2022062315/5697bfd81a28abf838caf0ca/html5/thumbnails/4.jpg)
It’s All About GeophysicsIt’s All About Geophysics
• Ground-penetrating radar (GPR) to image subsurface
• Global positioning system (GPS) to locate GPR profiles and other features
• Geographic information system (GIS) to organize and interpret data collected
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ESCI 515: Geophysical Field Work for EducatorsESCI 515: Geophysical Field Work for Educators
• Process of science • Teachers solve the problem -
use common sense!• Acquire data over known targets
and compare to data from field• Tie in to national and state
standards• Follow up with academic year
course in Earth Science
![Page 6: Field investigations of abandoned Negro cemeteries using GPR presented by Alison Henning Rice University March 9, 2007.](https://reader036.fdocuments.us/reader036/viewer/2022062315/5697bfd81a28abf838caf0ca/html5/thumbnails/6.jpg)
Line 019 - 7/19/2007
1963 1974 1985 Double Burial
2001 2006
Modern Cemetery
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1963 1974 1985 Double Burial
2001 2006
7/19/2007
Anomaly - No Marker
Modern Cemetery
![Page 8: Field investigations of abandoned Negro cemeteries using GPR presented by Alison Henning Rice University March 9, 2007.](https://reader036.fdocuments.us/reader036/viewer/2022062315/5697bfd81a28abf838caf0ca/html5/thumbnails/8.jpg)
Line 019 - 7/19/2007
1963 1974 1985 Double Burial
2001 2006
Comparison of Modern Cemetery and Field Site
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~2 ft8 ft
Anomaly at ~2 ft depth was excavated – found metal surface, sounds hollow when tapped
Break in soil horizon at ~4 ft – grave shaft
Note the change in soil color at red arrow – lighter soil to left contains clay that was excavated by digging, darker soil is undisturbed
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GISGIS
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1930
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1956
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2006
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Understanding GeophysicsUnderstanding Geophysics
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Correlates with anomaly found on line 1
Correlates with anomaly foundon line 16
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Understanding ArcheologyUnderstanding Archeology
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ConclusionsConclusions
• Utilize geophysics, GPS and GIS to perform field work anywhere
• Investigating abandoned cemeteries is helpful to the community and participants are highly motivated
• Want to expand service learning component, involve more undergraduates and K-12 students