Ụlọ ọrụ na-ahụ maka njikwa ala (BLM) kwupụtara ebumnuche ya iji soro mba Navajo, nke nwere ihe onwunwe na mpaghara ahụ, tupu ịmalite ire ikike ịkụ ala na square kilomita 29 nke ala ọha na eze dị n'ebe ọwụwa anyanwụ nke ogige ahụ. Mkpebi a na-abịa mgbe ụlọ ọrụ ahụ chọrọ mkparịta ụka, na-akpali ụlọ ọrụ ahụ ka ọ kwụsịlata nkwekọrịta mbụ ya na Septemba 6. Ndị otu gburugburu ebe obibi agbakọtawo na nkwado, na-ekwusi ike na mpaghara ahụ dị ka ebe nchekwa ebe.