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Ponderosa pine at 54 years. thinned at age 43 years to 50sq.ft/acre.
Ponderosa pine at 54 years. thinned at age 43 years to 50sq.ft/acre. Taylor Woods. United States Forest Service Flagstaff.
Soil profile - Entisol in fine sandy silt supporting 250-year ponderosa pine.
Soil profile - Entisol in fine sandy silt supporting 250-year ponderosa pine. Coconino National Forest. Flagstaff.
Ponderosa pine thinned to 40 sq.ft/acre.
Ponderosa pine thinned to 40 sq.ft/acre. Coconino National Forest. Flagstaff Arizona
Ponderosa pine thinned to 40 sq.ft/acre.
Ponderosa pine thinned to 40 sq.ft/acre. Coconino national Forest. Flagstaff Arizona
Ponderosa pine thinned from 20 sq.ft./Acre to 0.
Ponderosa pine thinned from 20 sq.ft./Acre to 0. Fort valley Ext StaFlagstaff Arizona
Old windthrow in ponderosa pine.
Old windthrow in ponderosa pine. Coconino National Forest. Flagstaff, Arizona
Recent windthrow in ponderosa pine
Recent windthrow in ponderosa pine, Coconino National Forest. Flagstaff Arizona
Crown deformed by mistletoe in ponderosa pine 250years.
Crown deformed by mistletoe in ponderosa pine 250years. Cocinino National Forest. Flagstaff, Arizona.
Ponderosa pine 250 years showing ranges on health evidenced by crowns -vigorous to debility. Coconino National Forest.
Ponderosa pine 250 years showing ranges on health evidenced by crowns -vigorous to debility. Coconino National Forest. Flagstaff, Arizona
Ponderosa pine 250 years showing ranges on health evidenced by crowns -vigorous to debility. Coconino National Forest.
Ponderosa pine 250 years showing ranges on health evidenced by crowns -vigorous to debility. Coconino National Forest. Flagstaff, Arizona