National Park Service reports
- 2019 Wet Nitrogen Deposition Data Summary - December 2021.
- 2017 Wet Nitrogen Deposition Data Summary - February 2019.
- 2016 Wet Nitrogen Deposition Data Summary - March 2018.
- 2015 Wet Nitrogen Deposition Data Summary - June 2017.
- 2014 Wet Nitrogen Deposition Data Summary - August 2016.
Prior National Park Service reports have been archived and can be shared. Please contact Megan McCarthy (Megan.mccarthy@state.co.us) for access to any archived material.