I cannot find this information ANYWHERE. The BLM provides only crappy, low-res maps of the area. Does anybody have a resource?

I'm sure you suspected, as i did, that for wildlife, this situation is mostly good.
https://www.bbc.com/news/world-africa-52314282
https://www.bbc.co.uk/newsround/51977924
https://www.latimes.com/california/story/2020-04-13/yosemite-national-park-closed-wildlife-waterfalls-muir
https://news.mongabay.com/2020/04/sri-lankas-covid-19-lockdown-sets-wildlife-free-but-raises-poaching-threat/
https://www.theguardian.com/environment/2020/mar/29/uk-wildlife-enjoys-humans-lockdown-but-concerns-raised-over-conservation
https://www.euronews.com/2020/03/30/coronavirus-is-wildlife-the-big-beneficiary-of-the-covid-19-lockdown
etc!
Here's a book for you: Alan Weisman's brilliant and well-researched thought experiment, The World Without Us
https://www.goodreads.com/book/show/248787.The_World_Without_Us

Join in -- make your next meal a vegetarian one
https://www.earthday.org
And you can participate by doing some citizen science. Help monitor air quality and plastic pollution: https://www.earthday.org/actions/join-earth-challenge-2020/