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  • MKARNS Nav Notice No. SWL 24-03 MPLD Nav Pass Open

    Due to increased river elevations, the crest gate dam at Montgomery Point Lock and Dam (NM 0.5) is lowered and the navigation pass is open.   When the Montgomery Point Lock and Dam tailwater elevation drops below 115 ft., the navigation pass will be closed.

  • 40th Annual Bald Eagle Watch to be held in Clinton, Iowa

    The U.S. Army Corps of Engineers, Rock Island District, in partnership with the U.S. Fish and Wildlife Service, Clinton Community College, Clinton Convention and Visitors Bureau, and Stewards of the Upper Mississippi River Refuge are hosting the 40th Annual Clinton Bald Eagle Watch Saturday, Jan. 13. Educational programs and environmental exhibits will be hosted indoors at Clinton Community College at 1000 Lincoln Blvd. in Clinton, Iowa. Outdoor eagle viewing will be held at Lock and Dam 13 in Fulton, Illinois, off Highway 84 from 8:30 a.m.-2:30 p.m. All event activities are free for the public to attend.

  • Charleston District awards contract to begin Folly Beach renourishment

    The U.S. Army Corps of Engineers Charleston District recently awarded a contract to renourish Folly Beach due to damages caused by Hurricane Ian.

  • Fox named Nashville District Employee of the Month for October 2023

    NASHVILLE, Tenn. (Jan. 10, 2024) -- Lionel Fox, electrical engineer assigned to the Electrical Section, is the U.S. Army Corps of Engineers Nashville District employee of the month of October 2023.

  • Fox named Nashville District Employee of the Month for October 2023

    Lionel Fox, electrical engineer assigned to the Electrical Section, is the U.S. Army Corps of

  • CRREL Environmental Wind Tunnel Upgrades and the Snowstorm Library

    Abstract: Environmental wind tunnels are ideal for basic research and applied physical modeling of atmospheric conditions and turbulent wind flow. The Cold Regions Research and Engineering Laboratory's own Environmental Wind Tunnel (EWT)—an open-circuit suction wind tunnel—has been historically used for snowdrift modeling. Recently the EWT has gone through several upgrades, namely the three-axis chassis motors, variable frequency drive, and probe and data acquisition systems. The upgraded wind tunnel was used to simulate various snowstorm conditions to produce a library of images for training machine learning models. Various objects and backgrounds were tested in snowy test conditions and no-snow control conditions, producing a total of 1.4 million training images. This training library can lead to improved machine learning models for image-cleanup and noise-reduction purposes for Army operations in snowy environments.

  • Weather to cause temporary closures at Saylorville Lake

    Due to current weather conditions, the U.S. Army Corps of Engineers, Rock Island District, has temporarily closed the portion of NW 78th Ave. that crosses over Saylorville Lake Dam. The roadway is closed from the Iowa National Guard Armory entrance to the Saylorville Lake Visitor Center entrance. All Saylorville Lake recreation areas have also been closed to ensure the safety of staff and visitors.

  • ERDC researcher experiences ‘awesome’ maiden trip to Antarctica

    Hannah Wittmann, a research physical scientist at the U.S. Army Engineer Research and Development Center’s (ERDC) Cold Regions Research and Engineering Laboratory (CRREL) in Hanover, New Hampshire, recently returned from her first trip to Antarctica, where she helped perform critical crevasse detection and mitigation work along the roughly 1,000-mile long South Pole Traverse (SPoT) route.

  • The Black Experience at Fort Huachuca during WWII: An Interpretation and Exhibit Plan for the Mountain View Officers’ Club

    Abstract: This technical report serves as a contextual planning document for an interpretive exhibit within and surrounding the Mountain View Officers’ Club, Building 66050, at Fort Huachuca, Arizona. During World War II (WWII), the Mountain View Officers’ Club served as the installation’s Black officers’ club. It served as various other uses until 2004, at which point it became vacant. Today, Fort Huachuca is planning to rehabilitate the building into a mission use space with an indoor-outdoor exhibit space for visitor use within the rehabilitation plan footprint, an 8.15 acre Area of Potential Effect (APE) including the WWII building and associated adjacent features. This report provides numerous potential Courses of Action regarding methods of exhibiting and interpreting historic materials and information in the public spaces within the APE. The Courses of Action chosen during a future Design-Build phase will be based on factors currently unknown, such as funding and staffing; thus, this document serves as a Phase I concept plan for ideas that will be further developed and finalized during the Phase II Design-Build phase. This report also provides guidance for course of action implementation pending factors currently unknown. Fort Huachuca will keep this report in both digital and analog format in perpetuity. ERDC-CERL will also publish it online and make it available to the public free of cost.

  • Cartographic Comparative Analysis of Undocumented Farmsteads at Fort McCoy, Wisconsin

    Abstract: Government acquisition of farmland within the present-day boundaries of Fort McCoy is defined by two consequential events: the founding of the installation in 1909, and its expansion in the early 1940s to provide training lands during World War II. Since the 1990s, Fort McCoy’s cultural resources manager (CRM) has sponsored archaeological investigations to determine the eligibility of former farmstead sites for the National Register of Historic Places (NRHP). Using geographic information systems (GISs) to compare historic cartographic sources, this project attempts to ascertain whether there are additional farmstead sites at Fort McCoy that may have been overlooked in existing archaeological investigations. Additionally, it provides a short summary of farmstead archaeological activity at Fort McCoy over the past 20 years, a brief historic context highlighting characteristics of farmsteads in the Upper Midwest, and a brief explanation of enhanced lidar techniques that personnel at Fort McCoy can explore for future use. Finally, an appendix provides a list of questions that may be used to conduct oral interviews with descendants of families who farmed within the present-day boundaries of Fort McCoy.