Specialty Geotechnical Contractor DBM was excavating a drilled shaft for the I-5 interchange in Ridgefield, Washington when they dug up something unusual at a depth of 30-ft. At first the WSDOT inspector thought it looked like wood, but then called in a WSDOT archaeologist who took the fragments to University of Washington’s Burke Museum of Natural History and Culture. The tusk is believed to belong to a Columbian Mammoth and date to approximately 13,000 to 15,000 years ago. Story and image from The Columbian.
The Ancient Egyptians are still marveled at today for some of their enduring hard-rock creations. Of course everyone thinks of the Sphinx and the Great Pyramids, but perhaps just as impressive if not more impressive were the gigantic obelisks that were quarried and somehow transported into place. There is work underway to preserve a rare archaeological site, a granite quarry with a large unfinished obelisk near Aswan.
Archaeological evidence combined with some shallow seismic refraction surveys and bore holes confirm the finding of a canal believed to have been used to transport these obelisks to the Nile River during flooding. However, dewatering will be needed to excavate these canals to verify these claims. Another problem is the salt deposits that are slowly destroying the quarry. National Driller Magazine is the location of this interesting article. Link after the break. (Photo by Son of Groucho)
Mar 10, 2011 – Odenton, Md. – John P. Rubright has been named president of Hayward Baker. He succeeds George R. Grisham as the fifth president of the company.
Rubright has been with Hayward Baker for 25 years. A civil engineer, he is highly experienced in geotechnical construction applications and has managed projects employing many of Hayward Baker’s technologies. Prior to being named president, he served for ten years as vice president and then senior vice president of the company’s Southern Region, where he directed financial, manpower and equipment resources along with being responsible for the design, management and installation of specialty construction projects in Florida, Georgia, South Carolina, Tennessee, Kentucky, Alabama and the Caribbean countries.
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