Pulp and paper products
Forest protection, watershed protection, and timber production
Timber conservation, wildlife preservation, and homesteading
Homesteading, crop planting, and grazing
Forest protection, grazing, and mining
Has declined significantly since 1960.
Has remained at about the same level for the past 50 years.
Is growing slowly as the population increases.
Has increased on a per capita basis by over 25 percent since 1970.