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  • Creating an Augmented Soil Texture Master List Using the Gridded Soil Survey Geographic Database (gSSURGO)

    Purpose: This US Army Engineer Research and Development Center (ERDC) technical note (TN) describes the workflow for creating an augmented soil texture master list that describes the surface-most (i.e., uppermost) USDA soil texture class and coarse fragment modifier. In conjunction with a soil similarity search algorithm, the soil texture master list fulfills a need identified by the Intelligent Environmental Battlefield Awareness (IEBA) project to generate detailed global soil boundary polygons. These polygons will serve as the base layer for populating other environmental variables, like soil temperature, soil moisture, depth to permafrost, and vegetation type, in the battlespace. This TN describes the purpose of the augmented soil texture master list, provides an overview of the gridded Soil Survey Geographic Database (gSSURGO), and describes the methodology used to create the soil texture master list.

  • Ohio Army National Guard, St. Marys Armory: Historic Buildings Survey

    Abstract: St. Marys Armory is eligible for the National Register of Historic Places (NRHP) under Criterion A for being constructed during the Interwar Armory Construction Program (1920–1940 era) and under Criterion C for its design of castellated, Art Deco, and Art Moderne architectural styles. This report documents the building to the standards of the Historic American Buildings Survey and includes a historic context, architectural descriptions, photographs, and architectural drawings. This report satisfies Section 106 of the National Historic Preservation Act (NHPA) of 1966 as amended and will be used by the St. Marys Ohio Army National Guard (OHARNG) for mitigation. This documentation fulfills Stipulation II of the Memorandum of Understanding Among the Adjutant General of Ohio and the Ohio State Historic Preservation Office (OHSHPO) Regarding Disposal of St. Marys Armory, Auglaize County, Ohio.

  • Louisville District employee earns place on All-Guard Marathon team

    Along with serving in the U.S. Army Corps of Engineers Louisville District as the Area Engineer for the Louisville VA Medical Center mega-project, Terry Durham also serves an officer in the Kentucky Army National Guard. As if that isn’t enough to keep him busy, he is also an avid runner, so much so that he has recently achieved multiple running goals.

  • Army Corps begins Quillayute River maintenance dredging Sept. 1

    U.S. Army Corps of Engineers' routine maintenance dredging in Quillayute River’s inner and outer navigation channels situated on the Olympic Peninsula in Washington, will begin Sept. 1, 2025. The 24/7 dredging operations, expected to be completed by Feb. 28, 2026, will make it safer for local boaters to navigate.

  • U.S. Army Corps of Engineers Great Lakes and Ohio River Division Welcomes New Commander

    The U.S. Army Corps of Engineers (USACE) Great Lakes and Ohio River Division (LRD) welcomed its new commander, Col. Daniel J. Herlihy, during a Change of Command ceremony today at the John W. Peck Federal Building in Cincinnati.

  • Road Closure Announcement: Top levee road for West Atchafalaya Basin Protection Levee in the Indian Bayou Area closed for levee repairs

    The U.S. Army Corps of Engineers, New Orleans District, began repairing a levee slide on the West Atchafalaya Basin Protection Levee, Aug. 13, 2025, in the Indian Bayou Area north of the Butte and La Rose, La., exit off I-10 Basin Bridge. As such, starting Aug. 13, only local traffic will be allowed to use the top levee road while all other traffic is advised to find an alternate route for traveling in this area.

  • USACE leaders visit San Diego VA Medical Center to rally final push on Spinal Cord Injury/Community Living Center facility

    Senior leaders with the U.S. Army Corps of Engineers and Department of Veterans Affairs met Aug. 7 at the Jennifer Moreno Department of Veterans Affairs Medical Center campus to review progress on the nearly complete Spinal Cord Injury/Community Living Center.

  • USACE returns restored Temescal Canyon Road to City of Los Angeles

    The U.S. Army Corps of Engineers has completed restoration of Temescal Canyon Road in Pacific Palisades and returned it to the City of Los Angeles. The road was used as a temporary staging site for debris removal following the January 2025 southern California wildfires, the largest debris removal mission in USACE history.

  • Examination of Activated Carbon Losses During Open Water Placement of Amended Dredged Material for Bioaccumulation Control

    Purpose: The purpose of this study was to evaluate the potential losses of both powdered and granular activated carbon (AC) resulting from open water placement of AC-amended dredged material to reduce contaminant bioaccumulation. The study examined the results of model predictions, a laboratory dump test, and a field demonstration project performed at the Ashtabula Lake Erie placement site.

  • A Revised Landform Map for Areas Prone to Dust Emission in the Southwestern United States

    Abstract: An area’s landform composition can provide insight into its dust emission potential. In 2017, geomorphologists from the Desert Research Institute provided the US Army Engineer Research and Development Center with a 32-class landform map for portions of the Mojave and Sonoran Deserts in the southwest United States (SWUS) to support air quality and dust hazard modeling applications. We collaborated with the University of California to independently assess the map. Our review identified opportunities to improve the dataset, such as using a simpler landform classification system and revising individual geomorphic unit assignments to ensure consistent labeling across the study area. This report describes our approaches for refining the SWUS map and documents the updated 15-class landform map that resulted from our efforts.