Table 1. Extent of major forest types in Colorado (from Schrupp et al. 2000).

Forest Type Millions of acres
Pinyon–juniper woodlands 6.1
Ponderosa pine 3.4
Mixed conifer–Douglas-fir 1.5
Aspen 3.2
Lodgepole pine 2.2
Engelmann spruce–subalpine fir 4.7