Among these are giant sequoias, redwoods, great firs, and sugar pines. The majority of the stumps have been identified as similar to modern sequoias, or redwoods. Avenues of sequoias and cedars were planted along with other specimen trees. Ojeda attended Redwood High School and College of the Sequoias in Visalia, California. The combined total area of all groves of giant sequoias is approximately . The North Grove contains about 100 mature giant sequoias; the South Grove, about 1,000. Crews also focused on building containment lines around Merced Grove and the giant sequoias. The grove contains six old growth giant sequoias, two of which are considered "giant" size. All 12 of the world's largest trees are Giant sequoias. Two of its trees are among the 30 largest giant sequoias in the world. Giant sequoias are among the oldest living organisms on Earth. Giant sequoias are in many ways adapted to forest fires. Ford Expeditions, Toyota Sequoias, and Nissan Armadas are available in the fleet from previous administrations. As with other trees, measurement of giant sequoias is conducted using established dendrometric techniques. Richardson attended the College of the Sequoias in Visalia, California for two years.