EII-EII-Oh!Mar 23, 2017 - 09:20 am CDTWith a healthy creek here and a dirty creek there, how do we measure creek health? The…EII-EII-Oh!Tagged: eii, environmental integrity index, PAHs, sample collection, creeks, bugs, chemical, macroinvertebrates, scientist Common Tags #LNT #NPS #trails 122nd cadet class 2013 2014 2015 2016 2018 21st century America
