A bill to provide for certain restrictions on the use of lands within boundaries of national parks and monuments.

[AI summary unavailable — showing source text] Prohibits the construction of any new dam or impoundment within a national park or monument unless such construction is necessary for the purposes of such park or monument and park resources would not be degraded. Prohibits such construction outside park or monument boundaries if lands within the boundaries would be inundated. Prohibits the use of Federal lands to expand any reservoir within Yosemite National Park without specific congressional authorization.…