USGS Groundwater Information: Hydrogeophysics Branch
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![]() Colette Grégoire (Katholieke Universiteit Leuven, Belgium) conducts a borehole radar survey at Loring Air Force Base, Limestone, Maine. |
![]() View of tripod and borehole radar cable (black) over borehole in snow-covered ground at Loring Air Force Base, Limestone, Maine. |
![]() Pete Joesten (OGW, Branch of Geophysics) works on field equipment at Loring Air Force Base, Limestone, Maine. |
![]() View of quarry area at the former Loring Air Force Base,Limestone, Maine. Geophysical equipment for borehole radar logging is seen in the foreground. |
![]() View of remediation project research site at Loring Air Force Base, Limestone, Maine. |
![]() View of borehole where steam is being injected as part of an Air Force remediation study at Loring Air Force Base, Limestone, Maine. Dark colored ground around borehole indicates where snow has melted due to the heat from the steam. |
![]() Borehole radar research area at Loring Air Force Base, Limestone, Maine. White tubing is part of the steam injection remediation project being conducted by the Air Force. |
![]() Sunset over research site at Loring Air Force Base, Limestone, Maine. |