Coulter pines tend to grow in drier environments than ponderosa and Jeffery pines. Jeffrey pine is more stress tolerant than ponderosa pine in the Sierra Nevada. They burned understory vegetation to reduce the fraction of Ponderosa Pine. In a nearby mixed-conifer forest, nests were found in Douglas-fir and ponderosa pine ("P. ponderosa"). Merriam's wild turkeys live in ponderosa pine and mountainous regions. Elk Mountain Campground, located in a ponderosa pine forest, is about from the visitor center. These slopes support nearly pure stands of ponderosa pine. Disneyland's Frontierland gateway is constructed of ponderosa pine logs. Gila contains one of the world's largest and healthiest ponderosa pine forests. The world's largest stand of ponderosa pine trees is in Arizona. Sources agree that the Jeffrey pine is more strongly scented than the ponderosa pine. The Shevlin-Hixon Lumber Company also operated within the Bend area processing Ponderosa pine trees. Distribution of ponderosa pine is from Critchfield and Little. The ranch name refers to the ponderosa pine, common in the West. "Pinus jeffreyi" is closely related to "Pinus ponderosa" (ponderosa pine) and is similar in appearance.