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BOR | 2015
Sound navigation and ranging (sonar) data were coupled with historical topographic data to map the extent and volume of silt collected behind the Heart Butte Dam reservoir in southwestern North…
BOR | 2015
One problem with using divers or remotely operated vehicles to perform underwater inspections of hydraulic structures is that frequently-encountered conditions of poor visibility increase the…
OSM | 2015
Underground coal fires can burn for years, and are a serious health and environmental hazard. There are four underground coal fires in northern New Mexico: two in close proximity to Gallup, one north…