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Acid Brown forest at Dorset; although over bedrock the soil acts as a deep soil with telluric water & is very productive. See slides nos. 22 to 25 for details of horizons. Inceptisol, P, C, F, SB.

Acid brown soil at Dorset to show roots of Hard maple in a dump till over granite gneiss bedrock.

Acid injection system in pump house. Acidification.

Most recent strip cut (1971) showing amount of advanced regeneration already established. Joan Peninsula. Temagami

Aerial assessment of jack pine regeneration using colour -infrared film. Scale is 1:8,000. Thunder Bay

Aerial herbicide application, Hearst

Aerial ignition device mounted on a helicopter. Kapuskasing.

Aerial ignition device on a helicopter. Gogama.

Aerial spraying, Swallow L. Shebandowan.

Aerial spraying , Swallow L. Shebandowan