Study: Covid created numerous setbacks for USNPS in 2020
Science, interpretation, and resource management are among the areas in the National Park System that have taken hits from the coronavirus pandemic, according to a study of how park operations across the country were affected by Covid-19.
At Yosemite National Park in California, for example, entrance fee revenues dropped by $12.4 million compared to 2019's tally.
https://www.nationalparkstraveler.org/2021/04/covid-proving-costly-national-park-service