The United States Geological Survey – better known as USGS – along with researchers from the University of Delaware, began part of its a full-scale survey of the Delaware River Basin last weekAnd chances are, if you live around the Delaware Bay, you may have gotten a close look at the process.Professor Holly Michael is the Director of the Delaware Environmental Institute at the University of Delaware, and she joined me earlier this week to walk us through the survey and what she hopes to learn from it.