Tell about the two members of Congress involved with the Yosemite bill and explain their roles?

The name of the two members that involved was Sen. Dianne Feinstein and Rep. Jim Costa

Sen. Dianne feinstein propose the retraction of price increase to enter Yosemite park. She argued that since it's a national treasure, all citizens had the right to access it as easy as possible.

Jim Costa introduced the legislation that expanded Yosemite territories for about 1600 Acres.