TY - RPRT TI - Summary and analysis of water-quality data for the Arrowwood National Wildlife Refuge, east-central North Dakota, 1987-2004 AU - Karen R. Ryberg AU - Gregory Hiemenz PY - 2009 DO - 10.3133/sir20095017 UR - https://pubs.usgs.gov/publication/sir20095017 ID - sir20095017 ER -