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United States Geological Survey, programs in Delaware
The USGS provides maps, reports, and information to help others meet their needs to manage, develop, and protect America's water, energy, mineral, and land resources. We help find natural resources needed to build tomorrow, and supply scientific understanding needed to help minimize or mitigate the effects of natural hazards and environmental damage caused by human activities. The results of our efforts touch the daily lives of almost every American. National Water-Quality Assessment Programdoi:10.3133/fs00895 fatcat:hf2miq4crbgbdn5ri23jjz4rbe