Since 1987, the Glacier Lakes area of the Snowy Range has been home to the Glacier Lakes Ecosystem Experiments Site (GLEES), a field unit of the Rocky Mountain Research Station, United States Forest Service. Areas of scientific inquiry at the site include atmospheric pollutant deposition, forest carbon and water vapor cycling, effect of insect outbreaks, and alpine lake and stream hydrology. The site is 642 ha in extent and hosts facilities for the National Atmospheric Deposition Program (NADP), the National Dry Deposition Network (NDDN) and AmeriFlux (Eddy covariance).