The cattle boom reached its height by 1885, then the range became too heavily pastured to support the long drive, and was beginning to be criss-crossed by railroads.
If you've already pickled instances of a class that needs changing, you'll likely want to retrieve and update those instances so that they continue to function properly with the new class definition.
Plants that endanger the safety of power facilities but had been cultivated before the area was demarcated according to law as a power facilities protection area shall be trimmed or cut down.