| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
silvicultural systems constitution and composition of stands forms of stand |
| Location: | Alaska; Porcupine River |
| Description: | A mature stand of white spruce along the Porcupine River. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
silvicultural systems constitution and composition of stands forms of stand even-aged stands |
| Location: | Alaska; Porcupine River |
| Description: | A mature stand of white spruce along the Porcupine River. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
silvicultural systems constitution and composition of stands forms of stand |
| Location: | Alaska; Porcupine River |
| Description: | Along the Porcupine River. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
silvicultural systems constitution and composition of stands forms of stand |
| Location: | Alaska; Porcupine River |
| Description: | Along the Porcupine River. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
silvicultural systems constitution and composition of stands forms of stand |
| Location: | Alaska; Porcupine River |
| Description: | Along the Porcupine River. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest mensuration increment development and structure of stands yield tables and their construction yield models |
| Location: | Alaska; Porcupine River |
| Description: | On Porcupine River at white spruce plots 331 and 332. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest mensuration increment development and structure of stands yield tables and their construction yield models |
| Location: | Alaska; Porcupine River |
| Description: | Porcupine R. at white spruce plot 328, a 215 yr. old stand. Site index is approx. 55. Bd. ft. vol.* is about 4200 bd. ft. per acre, 2300 cubic ft. per acre in trees 5. inches and larger. *(International 1/4-inch rule). |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
silvicultural systems constitution and composition of stands forms of stand |
| Location: | Alaska; Porcupine River |
| Description: | Porcupine River and the Sheenjek River entering from the north. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
silvicultural systems constitution and composition of stands forms of stand |
| Location: | Alaska; Porcupine River |
| Description: | Porcupine River at white spruce plot 328; a 215 year old stand. Site index is approx 55. Board-foot vol. is about 4200 board-feet per acre, 2300 cubic-feet per acre in trees 5 inches and larger. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
silvicultural systems constitution and composition of stands forms of stand |
| Location: | Alaska; Porcupine River |
| Description: | Porcupine River between white spruce plots 326 and 328. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
silvicultural systems constitution and composition of stands forms of stand |
| Location: | Alaska; Porcupine River |
| Description: | Porcupine River between white spruce plots 326 and 328. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
silvicultural systems constitution and composition of stands forms of stand |
| Location: | Alaska; Porcupine River |
| Description: | Porcupine River east of where the Sheenjek River enters the Porcupine. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
silvicultural systems constitution and composition of stands forms of stand |
| Location: | Alaska; Porcupine River |
| Description: | Primary succession of willow on a river bar at Bar Car on the Porcupine River. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
silvicultural systems constitution and composition of stands forms of stand |
| Location: | Alaska; Porcupine River |
| Description: | The Porcupine River. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
silvicultural systems constitution and composition of stands forms of stand |
| Location: | Alaska; Porcupine River |
| Description: | Upriver from plots 331 and 332. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest mensuration increment development and structure of stands yield tables and their construction yield models |
| Location: | Alaska; Porcupine River |
| Description: | White spruce yield plot 327 on Porcupine River. This 152 year old stand has site index 53. Cubic foot vol. per acre = 1320 in trees 5 inches and larger. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest mensuration increment development and structure of stands yield tables and their construction yield models |
| Location: | Alaska; Porcupine River |
| Description: | White spruce yield plot 327 on Porcupine River. This 152 year old stand has site index 53. Cubic foot vol. per acre = 1320 in trees 5 inches and larger. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest mensuration increment development and structure of stands yield tables and their construction yield models |
| Location: | Alaska; Porcupine River |
| Description: | White spruce yield plot 327 on Porcupine River. This 152 year old stand has site index 53. Cubic foot vol. per acre = 1320 in trees 5 inches and larger. Tree in foreground was cut in 1964. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest mensuration increment development and structure of stands yield tables and their construction yield models |
| Location: | Alaska; Porcupine River |
| Description: | White spruce yield plot 332 on Porcupine River site index 54. Cubic foot vol. per acre in trees 5 inches and larger = 2140. |
| Date: | 6/1976 |