Sangano re Bureau of Land Management (BLM) rakazivisa chinangwa charo chekubvunzana neNavajo Nation, iyo ine nzvimbo dzekuchengetedzwa kwenzvimbo munzvimbo iyi, isati yaenderera mberi nekutengesa kodzero dzekuchera pamakiromita makumi maviri nemapfumbamwe epasi rose riri kumabvazuva kwepaki.