Physical, chemical, and biological characteristics of selected headwater streams along the Allegheny Front, Blair County, Pennsylvania, July 2011–September 2013
Low, Dennis J. djlow@usgs.gov,Brightbill, Robin A. rabright@usgs.gov,Eggleston, Heather L. egglesto@usgs.gov,et al. Physical, chemical, and biological characteristics of selected headwater streams along the Allegheny Front, Blair County, Pennsylvania, July 2011–September 2013. 2016-01-01.