TY - RPRT TI - Spatial and temporal variation of stream chemistry associated with contrasting geology and land-use patterns in the Chesapeake Bay watershed—Summary of results from Smith Creek, Virginia; Upper Chester River, Maryland; Conewago Creek, Pennsylvania; and Difficult Run, Virginia, 2010–2013 AU - Kenneth E. Hyer AU - Judith M. Denver AU - Michael J. Langland AU - James S. Webber AU - J. K. Böhlke AU - W. Dean Hively AU - John W. Clune PY - 2016 DO - 10.3133/sir20165093 UR - https://pubs.usgs.gov/publication/sir20165093 ID - sir20165093 ER -