US HB1366

Allows hardrock mining operators to locate multiple mill sites on public land for waste rock disposal, tailings, and other mining operations, with each individual mill site limited to 5 acres

Establishes the Abandoned Hardrock Mine Fund in the U.S. Treasury, funded by claim maintenance fees collected on mill sites located under this act

Authorizes the Secretary of the Interior to spend from the Fund without further appropriations to address abandoned hardrock mine reclamation under the Infrastructure Investment and Jobs Act

Mill sites located under this act are not eligible for patenting and do not convey mineral rights to the locator

Preserves existing federal authority to regulate mining under the Wilderness Act, Endangered Species Act, National Historic Preservation Act, and other environmental laws