https://www.usgs.gov/centers/national-minerals-information-center/mineral-industry-delaware
Statistics and information on the nonfuel mineral commodities produced in Delaware
mineral industrygeological surveydelaware
https://www.usgs.gov/centers/new-jersey-water-science-center/science/delaware-river-basin-delr-nawqa-study-unit
The Delaware River Basin (DELR) NAWQA study began in 1997 and is a multi-district effort. Coordinated from our West Trenton, New Jersey office, the study also...
delaware riverstudy unitbasingeological
https://www.usgs.gov/publications/river-basins-united-states-delaware
This leaflet, one of a series on the river basins of the United States, contains information on the Delaware River Basin, including a brief early history, a...
river basinsunited statesdelaware
https://www.usgs.gov/media/images/map-july-2022-airborne-geophysical-survey-planned-over-and-near-delaware-bay
This map shows the airborne geophysical survey planned over and near Delaware Bay. Surveys will not occur directly over populated areas. Planned flight lines...
geophysical surveymapjulyairborneplanned