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  • Corps of Engineers seeks comments on Highway 75 drawdown

    The U.S. Army Corps of Engineers, St. Paul District, in cooperation with the U.S. Fish and Wildlife Service, is seeking public comments on a draft Environmental Assessment, or EA, for the proposed Highway 75 drawdown project in Odessa, Minnesota, near the Big Stone National Wildlife Refuge in Lac qui Parle County, Minnesota.

  • Corps to host public information session for Tygart Lake water control manual updates, analysis results

    The U.S. Army Corps of Engineers Pittsburgh District is hosting a public information session to review results of an analysis of water levels at Tygart Lake. The session will also cover proposed administrative updates to Tygart Lake’s water control manual.

  • USACE supports readiness through the Maintenance and Repair Army Reserve Program

    The U.S. Army Corps of Engineers Louisville District continues to play an important role in

  • The Corps Environment – Winter 2025 edition now available

    The Winter 2025 edition of The Corps Environment is now available! This edition features ongoing projects and initiatives that are proactively considering the environment and influencing partnerships in support of military readiness and community well-being.

  • Corps of Engineers completes Helene debris removal in three more counties

    SAVANNAH, Ga. – The U.S. Army Corps of Engineers, Savannah District, and its contractor have completed various types of debris removal in three more Georgia counties, following the damage caused by Hurricane Helene in late September.

  • Bluestone Dam Stands Tall During Recent Flooding

    A recent band of devastating rain and snowstorms that affected communities in Southern West

  • Autonomous Cyberdefense Introduces Risk; Can We Manage the Risk?

    Abstract: We discuss the human role in the design and control of cyberdefenses. We focus on machine learning training and algorithmic feedback and constraints, with the aim of motivating a discussion on achieving trust in autonomous cyberdefenses.

  • CRREL workshop advances Army’s snow science research

    The U.S. Army Engineer Research and Development Center’s (ERDC) Cold Regions Research and Engineering Laboratory (CRREL) hosted a snow sciences workshop to advance the understanding of the topics, unique aspects, and elements in common among Army-funded snow research contracts. Special emphasis was placed on why the Army cares about snow, what impacts it has on Warfighter functions and operational planning, and how the Army may operate in the future.

  • The Geophysical Survey of Mare Island Naval Cemetery, California

    Abstract: The US Congress codified the National Historic Preservation Act of 1966 (NHPA), the nation’s most effective cultural resources legislation to date, mostly through establishing the National Register of Historic Places (NRHP). The NHPA requires federal agencies to address their cultural resources, which are defined as any prehistoric or historic district, site, building, structure, or object. Section 110 of the NHPA requires federal agencies to inventory and evaluate their cultural resources, and Section 106 requires them to determine the effect of federal undertakings on those potentially eligible for the NRHP. This project was undertaken to provide the US Department of Veterans Affairs (VA), National Cemetery Administration (NCA), with a geophysical survey of Mare Island Naval Cemetery. The approximately 2.5-acre cemetery is located in Vallejo, California, and contains more than 900 burials. Mare Island Naval Cemetery is part of the Mare Island Naval Shipyard Historic District, which was listed concurrently on the National Register of Historic Places and as a national historic landmark in 1975.

  • Lower James River Sediment Transport Modeling: Jordan Point

    Abstract: US Army Corps of Engineers–Norfolk District (NAO) requested assistance from the US Army Engineer Research and Development Center (ERDC) to examine currently used placement sites within the James River, Virginia, initiative area, determine potential risk to critical environmental receptors during placement, and predict the life cycle of the placement sites. The focus of the analysis within this work is the Jordan Point placement site. The far-field, fate-transport modeling at Jordan Point shows relatively low maximum values of suspended sediment concentration (less than 40 mg/L) and deposition values (less than 0.2 cm). Material that is placed at Jordan Point appears to quickly disperse through the system, depositing in thin layers at specific areas. The life-cycle analysis performed for the Jordon Point placement site yielded an estimated useable project life of the Jordan Point placement sites of 26 years with an uncertainty of ±4 years. Analysis showed that 97% of the net sediment deposition in the navigation channel in proximity to this site is from the upper James River, 2% is from downstream sources, and 1% is from the two Jordan Point placement sites.