Raúl Grijalva actually said...
I would certainly suggest that the Chaco Protection Act and Chaco Canyon itself and what we saw and experienced yesterday rises to that level, in my estimation above that level in terms of applying the same principle of buffer zone to protect and assure that that protection is long-lasting.
Context
Grijalva advocates for the Chaco Protection Act's importance similar to Yellowstone's protections.
04/14/2019