Affichage de 713 résultats

Item is a photograph of a copy print that has been reproduced as a slide, resulting in low photographic quality. Location of original photograph unknown.

John Gerlitzki depicted.

File contains correspondence regarding lack of funding for research projects between the Science Council of British Columbia and Mike Jull, Prince George Forest Region.

Item is a photocopied version of Alexander's "A Fifteen Year History of the Virgin Spruce-Balsam Type at Aleza Lake Experiment Station and Suggestions for Management". Location of original unknown.

Item is an original copy of "A Forest Practice Code for the Spruce-Balsam Type" prepared by the Cariboo Section of the Canadian Institute of Forestry.

Item is the BC Forest Service's "A Guide to Stand Treatment".

Item is a report entitled "A Report on S.P.514: Cutting Methods in Immature and Thrifty Mature Spruce Types (Interior of Prince Rupert's Forest District)" by R.F. Stettler.

Item is "A Study of Coniferous Reproduction by Direct Seeding Methods on Various Forest Site Types at Aleza Lake, B.C.: An Essay submitted during the Third Year of the Course in Forestry at the University of British Columbia" by Everett Bruce Peterson.

Caption describing photograph: "Excellent Abies second growth. 6-8 DBH. Age 40 years. Resulting from advanced regeneration after logging. Mile 5.5 Hart Highway. Average current leader 10". Silty clay, lacustrine deposits."

Caption describing photograph: "Typical crown form of Abies lasiocarpa, long barrow columnar crown. Ht 65', 10" DBH. Age 80 years. Mile 5 Hart Highway. Abies stand resulting from advanced regeneration released by logging of spruce in 1940s. Sandy silt lacustrine deposits."

Photograph shows an aerial view of Aleza Lake Research Forest in spring season.

Photograph shows an aerial view of Aleza Lake Research Forest in spring season.

Photograph shows an aerial view of Aleza Lake Research Forest in spring season.

Photograph shows an aerial view of Aleza Lake Research Forest in spring season.

Photograph shows an aerial view of Aleza Lake Research Forest in spring season.

File contains colour aerial photography of the Aleza Lake Research Forest from 1994.

Photograph is a remote-sensing image of the Aleza Lake Research Forest from 1994.

Photograph is a remote-sensing image of the Aleza Lake Research Forest from 1994.

Photograph is a remote-sensing image of the Aleza Lake Research Forest from 1994.

Photograph is a remote-sensing image of the Aleza Lake Research Forest from 1994.

Photograph is a remote-sensing image of the Aleza Lake Research Forest from 1994.

Photograph is a remote-sensing image of the Aleza Lake Research Forest from 1994.

Photograph is a remote-sensing image of the Aleza Lake Research Forest from 1994.

Photograph is a remote-sensing image of the Aleza Lake Research Forest from 1994.

Photograph is a remote-sensing image of the Aleza Lake Research Forest from 1994.

Photograph is a remote-sensing image of the Aleza Lake Research Forest from 1994.

Photograph is a remote-sensing image of the Aleza Lake Research Forest from 1994.

Photograph is a remote-sensing image of the Aleza Lake Research Forest from 1994.

Photograph is a remote-sensing image of the Aleza Lake Research Forest from 1994.

Photograph is a remote-sensing image of the Aleza Lake Research Forest from 1994.

Photograph is a remote-sensing image of the Aleza Lake Research Forest from 1994.

Photograph is a remote-sensing image of the Aleza Lake Research Forest from 1994.

Photograph is a remote-sensing image of the Aleza Lake Research Forest from 1994.

Photograph is a remote-sensing image of the Aleza Lake Research Forest from 1994.

Photograph is a remote-sensing image of the Aleza Lake Research Forest from 1994.

Photograph is a remote-sensing image of the Aleza Lake Research Forest from 1994.

Photograph is a remote-sensing image of the Aleza Lake Research Forest from 1994.

Photograph is a remote-sensing image of the Aleza Lake Research Forest from 1994.

Photograph is a remote-sensing image of the Aleza Lake Research Forest from 1994.

Photograph is a remote-sensing image of the Aleza Lake Research Forest from 1994.

Photograph is a remote-sensing image of the Aleza Lake Research Forest from 1994.

Photograph is a remote-sensing image of the Aleza Lake Research Forest from 1994.

Photograph is a remote-sensing image of the Aleza Lake Research Forest from 1994.

Photograph is a remote-sensing image of the Aleza Lake Research Forest from 1994.

Photograph is a remote-sensing image of the Aleza Lake Research Forest from 1994.

Photograph is a remote-sensing image of the Aleza Lake Research Forest from 1994.

Photograph is a remote-sensing image of the Aleza Lake Research Forest from 1994.

Photograph is a remote-sensing image of the Aleza Lake Research Forest from 1994.

Photograph is a remote-sensing image of the Aleza Lake Research Forest from 1994.

Photograph is a remote-sensing image of the Aleza Lake Research Forest from 1994.

Photograph is a remote-sensing image of the Aleza Lake Research Forest from 1994.