Geophysical surveys for location of a suspected abandoned mine opening: Grays Landing site. Final report

Technical Report · Fri Mar 01 04:00:00 EST 1991

OSTI ID:5384508

Butler, D K; Kean, T B

Results of magnetic and electromagnetic surveys at the Grays landing Lock and Dam site on the Monongahela River near Waynesburg, Pennsylvania, are presented. the purpose of the surveys was to locate suspected abandoned mine openings in an area of the left abutment. Extensive subsurface mining of the Pittsburgh Coal has been carried out in this area since the mid-to-late nineteenth century. Old mine maps and records indicate an 1882 drift opening into the Alicia No. 2 Mine in the right abutment area which could be under water during a 100-year flood event. Exploratory drilling in the left abutment has failed to encounter the opening. The area surveyed is rugged topographically and contains considerable surface metallic debris which represents possible noise sources for the geophysical surveys. While the geophysical survey results are complicated, there are anomalies on both the magnetic and electromagnetic data profiles which are identifiable from one survey line to the next. An integrated geophysical anomaly map is presented. Three anomalous zones are identified which trend into a steep slope. One of these anomalous zones is consistent with the suspected location of the 1882 opening. Another anomalous zone may be associated with a concrete-lined drainage channel which is exposed on the riverward side of the slope and disappears into the slope; this anomaly trends toward a more recent, known, sealed mine opening.

• Research Organization: Army Engineer Waterways Experiment Station, Vicksburg, MS (United States). Geotechnical Lab.
• OSTI ID: 5384508
• Report Number(s): AD-A-235416/5/XAB; WES/MP/GL--91-6; CNN: MIPR-CEORP-ED-90-48
• Country of Publication: United States
• Language: English

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54 ENVIRONMENTAL SCIENCES
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ABANDONED SHAFTS
BACKGROUND NOISE
CARBONACEOUS MATERIALS
COAL
COAL DEPOSITS
COAL MINES
DAMS
DATA ANALYSIS
DETECTION
DEVELOPED COUNTRIES
DRILLING
ELECTRICAL SURVEYS
ELECTROMAGNETIC RADIATION
ELECTROMAGNETIC SURVEYS
ELEMENTS
ENERGY SOURCES
ENGINEERING
FEDERAL REGION III
FOSSIL FUELS
FUELS
GEOLOGIC DEPOSITS
GEOLOGIC STRUCTURES
GEOPHYSICAL SURVEYS
GEOPHYSICS
HISTORICAL ASPECTS
HYDROGEN COMPOUNDS
MAGNETIC FIELDS
MAGNETIC SURVEYS
MAPS
MATERIALS
METALS
MINE SHAFTS
MINERAL RESOURCES
MINES
MINING ENGINEERING
NOISE
NORTH AMERICA
OXYGEN COMPOUNDS
PENNSYLVANIA
RADIATIONS
RESOURCES
SHAFT EXCAVATIONS
SURFACES
SURVEYS
UNDERGROUND FACILITIES
USA
WATER