Photochemical oxidant air pollution effects on a mixed conifer forest ecosystem : final report /

Mode of access: Internet.

Cooperate watershed management research in the lower conifer zone of California /

Mode of access: Internet.

Forest tree planting manual for Illinois : a manual dealing with the distribution and planting of forest tree seedlings for the production of timber crops and for the conservation of soil, water, and wildlife in Illinois.

Subtitle varies slightly.

Conference on Adaptive Ecosystem Restoration and Management--Restoration of Cordilleran Conifer Landscapes of North America : June 6-8, 1996, Flagstaff, Arizona /

"June 1996."

Growing healthy seedlings : identification and management of pests in Northwest forest nurseries /

"R6-PNW-019-90."

Proposed program for watershed management research in the lower conifer zone of California /

"April, 1960."

Repeated manual release in a young plantation : effect on Douglas-fir seedlings, hardwoods, shrubs, forbs, and grasses /

Includes bibliographical references (p. 11).