Complex sentence: Heinze purchased a small parcel of unclaimed land on top of Butte Hill and several Butte judges, was able to take copper ore that was in the Anaconda company's shafts.
Split into simpler sentences: Heinze purchased a small parcel of unclaimed land on top of Butte Hill. In actions upheld by several Butte judges, he was able to take copper ore that was in the Anaconda company's shafts.