The end of the 1800’s marked a time when environmentalism was taking off like a jet plane (or maybe a steam engine). Advocates for the preservation and conservation of land for the public’s enjoyment started to emerge, and as timbering began threatening our most revered forests, ensuring the continued beauty of places like the Yosemite Valley became paramount. General Revision Act https://en.wikipedia.org/wiki/General_Revision_Act#:~:text=Often%20seen%20as%20a%20proactive,unclaim...