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Coring Permian algal reef "Scorpion Mound"

By St. Petersburg Coastal and Marine Science Center 1981 (approx.)
Three people setting up a drill held by a large metal tripod to drill into rock.
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Detailed Description

Left to right, USGS scientists Barbara Lidz, Harold Hudson, and Dan Robbin are coring a Permian algal reef, well-known among geologists and the oil-and-gas industry as Scorpion Mound, in New Mexico in 1981.

Sources/Usage

Public Domain.