Aerial view of clearcuts and general forest. Willow River PSYU. Prince George.

Budworm damage in planted Sitka spruce. N.B. one tree not attacked. Person is Malcolm Squires. Grand Falls, Abitibi-Price.

Aerial view of clearcut with a windrowed slash. Willow River PSYU. Prince George.

Aerial view of recent clearcut. Willow River PSYU. Prince George.

Prescribed burn. Aerial view of the recent prescribed burn. Willow River PSYU. Prince George.

Recent clearcut in lodgepole pine. Willow River PSYU. Prince George.

General view of lodgepole pine forest. Willow River Public Sustained Yield Unit (PSYU). Prince George.

General view of forest Willow River PSYU. N.B. burn area in middle- foreground. Prince George.

Stem canker (Periderium harknessii) in lodgepole pine. N.B. location of a canker at base of the stem. Prince George.

Area clearcut 1968-69, site prepared with chains 1970. Regeneration is ca. 1m ht. West of Prince George.