This Swirl lesson walks through how to retrieve, view, and visually analyze streamflow and water quality data from the National Water Information System (US Geological Survey). In this Swirl lesson, we use publicly available data collected by USGS to explore patterns of hydrology in Nebraska streams with the R package 'dataRetrieval' (De Cicco, L.A., Hirsch, R.M., Lorenz, D., Watkins, W.D., 2018, dataRetrieval: R packages for discovering and retrieving water data available from Federal h…