Pine in extra long (10") Leach tubes, to accommodate long tap root; at Jefferson nursery. Ponderosa pine, 1+0, container. Weyerhauser.

Detail of hot air heating underneath benches at Jefferson nursery. Greenhouse. Weyerhauser.

Ponderosa pine in greenhouse at Jefferson nursery. Ponderosa pine, 1+0, container. Weyerhauser.

General view of the greenhouses at Jefferson nursery. Greenhouses. Weyerhaueser.

General view of nursery from heliport at Jefferson nursery. General view. Weyerhaueser.

Over wintered stock in Leach tubes at Aurora nursery. Fir douglas, 1+0, container. Weyerhaueser.

Sown Oct.26/73 in a soil mix of bark and sand at Aurora nursery; n.b. poor development. Western hemlock, 1+0, container. Weyerhaueser.

Sown Dec 7/73 in Leach tubes; Aurora nursery. Noble fir, 1+0, container. Weyerhaueser.

Sown on Oct 26/73, photo July/74; slow growth! Sitka spruce, 1+0, container. Weyerhaueser.

Extracted seedling at 4 months n.b. dry peat; Aurora nursery. Fir douglas, 1+0, container. Weyerhaueser.