“ Subjecting respondent lessee to state regulations on garbage and sewage disposal seems no more a burden or encumbrance on the Indians' right to lease their lands than the state tax on oil production of the non-Indian lessee in Oklahoma Tax Comm'n was a burden or encumbrance on the rights of the Indians there involved to make oil leases. ”

“ There may also be merit to the dissent's view that the immunity of Indian lands to a state 'encumbrance' cannot frustrate state programs to check air and water pollution. The States should, perhaps, be able to prevent sewage dumped on Indians' lands from draining into streams which flow into water supplies outside Indian lands. The same is true of smoke from garbage burned on Indian lands that contributes to smog over nearby cities. ”

“ But this decision was rendered before Public Law 280 was enacted.
This work is in the public domain in the United States because it is a work of the United States federal government (see 17 U.S.C. 105) . ”