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Cross section of a horizontal drill in Marcellus shale.

Stock Photo:
Image ID: 44445103
Release Information: N/A
Copyright: Laurie Barr
Small
500x484 6.9"x6.7" (72dpi) 103 KB
Med
1000x968 3.3"x3.2" (300dpi) 302 KB
Large
2091x2025 7.0"x6.8" (300dpi) 695 KB
Super
4182x4050 13.9"x13.5" (300dpi) approx.1.5 MB
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