| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
systematic zoology insecta |
| Location: | Alaska |
| Description: | Dendroctonus obesus. |
| Date: | 12/1957 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
systematic zoology insecta |
| Location: | Alaska |
| Description: | Dendroctonus obesus. |
| Date: | 12/1957 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
systematic zoology insecta |
| Location: | Alaska |
| Description: | Dendroctonus obesus. |
| Date: | 12/1957 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
systematic zoology insecta |
| Location: | Alaska |
| Description: | Dendroctonus obesus. |
| Date: | 12/1957 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
systematic zoology insecta |
| Location: | Alaska |
| Description: | Dendroctonus obesus. |
| Date: | 12/1957 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
systematic zoology insecta |
| Location: | Alaska |
| Description: | Dendroctonus obesus. |
| Date: | 12/1957 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
systematic zoology insecta |
| Location: | Alaska |
| Description: | Dendroctonus obesus. |
| Date: | 12/1957 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
systematic zoology insecta |
| Location: | Alaska |
| Description: | Dendroctonus obesus. |
| Date: | 12/1957 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
hydrology water conservation, soil conservation and erosion watershed management studies on stream-flow and bank erosion: |
| Location: | Alaska; Prince of Wales Island; Old Tom Creek |
| Description: | Old Tom Creek as it enters tidal meadow. Note trail, tributary joining from left, and cabin under trees. |
| Date: | 9/18/1957 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
regeneration and formation of stands artificial regeneration seed production (seed years, seed crops etc) |
| Location: | Alaska; Prince of Wales Island; Maybeso Valley |
| Description: | Traps dug into position for use in seed dissemination studies, fall 1957. Along spur 120, Maybeso. |
| Date: | 8/21/1957 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
regeneration and formation of stands artificial regeneration seed production (seed years, seed crops etc) |
| Location: | Alaska; Prince of Wales Island; Maybeso Valley |
| Description: | Traps dug into position for use in seed dissemination studies, fall 1957. Along spur 120, Maybeso. |
| Date: | 8/21/1957 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
regeneration and formation of stands artificial regeneration seed production (seed years, seed crops etc) |
| Location: | Alaska; Prince of Wales Island; Maybeso Valley |
| Description: | Traps in scrub cedar stand in middle of Maybeso Valley. |
| Date: | 8/21/1957 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
regeneration and formation of stands artificial regeneration seed production (seed years, seed crops etc) |
| Location: | Alaska |
| Description: | Traps nestled on ground with cover removed to show that muslin held down with lath strips. |
| Date: | 8/21/1957 |
![FS [Forest Survey?] Plot 210, looking south across SP-10 B2 ? d 50'. 45-70 years. 1700' 20'/ch E. Lowerstory sparse birch; willow 10-25' in clumps. Understory SP-1-4, Labrador tea, & vaccinium sp. SP-5-10 rosa, fireweed. Fire history.](/rds/imagedb/images/_thm/29377.jpg "FS [Forest Survey?] Plot 210, looking south across SP-10 B2 ? d 50'. 45-70 years. 1700' 20'/ch E. Lowerstory sparse birch; willow 10-25' in clumps. Understory SP-1-4, Labrador tea, & vaccinium sp. SP-5-10 rosa, fireweed. Fire history.")
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
plant ecology vegetation types ecotypes |
| Location: | Alaska; Index Lake |
| Description: | FS [Forest Survey?] Plot 210, looking south across SP-10 B2 ? d 50'. 45-70 years. 1700' 20'/ch E. Lowerstory sparse birch; willow 10-25' in clumps. Understory SP-1-4, Labrador tea, & vaccinium sp. SP-5-10 rosa, fireweed. Fire history. |
| Date: | 8/9/1957 |
![Aspen (w/ cottonwood) saplings looking E. along trail above Packsaddle crk. [Packsaddle Gulch?].](/rds/imagedb/images/_thm/29330.jpg "Aspen (w/ cottonwood) saplings looking E. along trail above Packsaddle crk. [Packsaddle Gulch?].")
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
plant ecology vegetation types ecotypes |
| Location: | Alaska; Packsaddle Creek [Gulch?] |
| Description: | Aspen (w/ cottonwood) saplings looking E. along trail above Packsaddle crk. [Packsaddle Gulch?]. |
| Date: | 8/9/1957 |
![FS [Forest Survey?] Plot 208, forward from SP-1 along line A 2 - y 35'. 55-60 years. 1750' 10'khs; 5/ch NE. Lowerstory a reproduction & willow clumps. Understory crowberry, vaccinium sp. Labrador tea, fireweed. Old fire sign. Photos: 1R 9 P8.](/rds/imagedb/images/_thm/29333.jpg "FS [Forest Survey?] Plot 208, forward from SP-1 along line A 2 - y 35'. 55-60 years. 1750' 10'khs; 5/ch NE. Lowerstory a reproduction & willow clumps. Understory crowberry, vaccinium sp. Labrador tea, fireweed. Old fire sign. Photos: 1R 9 P8.")
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
plant ecology vegetation types ecotypes |
| Location: | Alaska |
| Description: | FS [Forest Survey?] Plot 208, forward from SP-1 along line A 2 - y 35'. 55-60 years. 1750' 10'khs; 5/ch NE. Lowerstory a reproduction & willow clumps. Understory crowberry, vaccinium sp. Labrador tea, fireweed. Old fire sign. Photos: 1R 9 P8. |
| Date: | 8/9/1957 |
![FS [Forest Survey?] Plot 219. Across end SP-3 looking west. Offsite cottonwood, poor form, high defect. Lowerstory P w/ willow & alder. Understory rosa, grasses, highbush cranberry, fireweed.](/rds/imagedb/images/_thm/29345.jpg "FS [Forest Survey?] Plot 219. Across end SP-3 looking west. Offsite cottonwood, poor form, high defect. Lowerstory P w/ willow & alder. Understory rosa, grasses, highbush cranberry, fireweed.")
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
plant ecology vegetation types ecotypes |
| Location: | Alaska |
| Description: | FS [Forest Survey?] Plot 219. Across end SP-3 looking west. Offsite cottonwood, poor form, high defect. Lowerstory P w/ willow & alder. Understory rosa, grasses, highbush cranberry, fireweed. |
| Date: | 8/9/1957 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
plant ecology vegetation types ecotypes |
| Location: | Alaska |
| Description: | Photos IR5 P4. Noncommercial S & willow. North-facing slope. Typical bog heather ground cover. Cold wet site. |
| Date: | 8/9/1957 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
plant ecology vegetation types ecotypes |
| Location: | Alaska |
| Description: | Station "G". Foreground - nonforest grasses, sedges, willow, dwarf birch. Background - typical island type non commercial S, A, & willow. |
| Date: | 8/9/1957 |
![FS [Forest Survey?] Plot 217 SP-1 looking S P2 ≡ d 40'. 90+/- years. Off-site cottonwood, poor form, high defect. Lowerstory medium P restocking. Willow, alder. Understory rosa, highbush cranberry, cow parsnip grasses.](/rds/imagedb/images/_thm/29356.jpg "FS [Forest Survey?] Plot 217 SP-1 looking S P2 ≡ d 40'. 90+/- years. Off-site cottonwood, poor form, high defect. Lowerstory medium P restocking. Willow, alder. Understory rosa, highbush cranberry, cow parsnip grasses.")
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
plant ecology vegetation types ecotypes |
| Location: | Alaska |
| Description: | FS [Forest Survey?] Plot 217 SP-1 looking S P2 ≡ d 40'. 90+/- years. Off-site cottonwood, poor form, high defect. Lowerstory medium P restocking. Willow, alder. Understory rosa, highbush cranberry, cow parsnip grasses. |
| Date: | 8/8/1957 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
plant ecology vegetation types ecotypes |
| Location: | Alaska |
| Description: | Alder & willow patches, scattered nc spruce. Hot, dry soil, 2500' S exposure. |
| Date: | 8/8/1957 |
![FS [Forest Survey?] Plot 214, SP-2 A1 = d 35'. 60 years. 2000' 25-1/2 ch. S. Lowerstory A, sparse Ⓢ & willow. Understory rosa, fireweed, cranberry, etc. Burned in past; dry, convex slope.](/rds/imagedb/images/_thm/29374.jpg "FS [Forest Survey?] Plot 214, SP-2 A1 = d 35'. 60 years. 2000' 25-1/2 ch. S. Lowerstory A, sparse Ⓢ & willow. Understory rosa, fireweed, cranberry, etc. Burned in past; dry, convex slope.")
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
plant ecology vegetation types ecotypes |
| Location: | Alaska; Index Lake |
| Description: | FS [Forest Survey?] Plot 214, SP-2 A1 = d 35'. 60 years. 2000' 25-1/2 ch. S. Lowerstory A, sparse Ⓢ & willow. Understory rosa, fireweed, cranberry, etc. Burned in past; dry, convex slope. |
| Date: | 8/7/1957 |
![FS [Forest Survey?] Plot 213, across SP-5 acres Ⓢ 3 = d 60'. 170 years. 2000' 15'/ch s. Lowerstory sparse Ⓢ, A, B, & P. Restocking of willow clumps openings. Understory Labrador tea, rosa, crowberry, cranberry, fireweed, lupine. Area apparently missed in fire 60+ yrs ago.](/rds/imagedb/images/_thm/29338.jpg "FS [Forest Survey?] Plot 213, across SP-5 acres Ⓢ 3 = d 60'. 170 years. 2000' 15'/ch s. Lowerstory sparse Ⓢ, A, B, & P. Restocking of willow clumps openings. Understory Labrador tea, rosa, crowberry, cranberry, fireweed, lupine. Area apparently missed in fire 60+ yrs ago.")
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
plant ecology vegetation types ecotypes |
| Location: | Alaska |
| Description: | FS [Forest Survey?] Plot 213, across SP-5 acres Ⓢ 3 = d 60'. 170 years. 2000' 15'/ch s. Lowerstory sparse Ⓢ, A, B, & P. Restocking of willow clumps openings. Understory Labrador tea, rosa, crowberry, cranberry, fireweed, lupine. Area apparently missed in fire 60+ yrs ago. |
| Date: | 8/7/1957 |
![FS [Forest Survey?] Plot 200, SP1 along line. P2 = d 40'. 60 years. Poor form. 1400' level off-site cottonwood defective. Note short heights in relation to dbh. Lowerstory sparse willows, fireweed, cranberry, vaccinium spp. and silverberry. Understory Juniperus communis.](/rds/imagedb/images/_thm/29341.jpg "FS [Forest Survey?] Plot 200, SP1 along line. P2 = d 40'. 60 years. Poor form. 1400' level off-site cottonwood defective. Note short heights in relation to dbh. Lowerstory sparse willows, fireweed, cranberry, vaccinium spp. and silverberry. Understory Juniperus communis.")
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
plant ecology vegetation types ecotypes |
| Location: | Alaska |
| Description: | FS [Forest Survey?] Plot 200, SP1 along line. P2 = d 40'. 60 years. Poor form. 1400' level off-site cottonwood defective. Note short heights in relation to dbh. Lowerstory sparse willows, fireweed, cranberry, vaccinium spp. and silverberry. Understory Juniperus communis. |
| Date: | 8/7/1957 |
![FS [Forest Survey?] Plot 216, across SP-5, (heavy P constituent shown). A2 = [?] 45'. 60-70 years. 2200' 30'/ch S. Lowerstory P & A restocking, willow sparse. Understory fireweed, cranberry, highbush cranberry, rosa. Fire history. Stereogram.](/rds/imagedb/images/_thm/29353.jpg "FS [Forest Survey?] Plot 216, across SP-5, (heavy P constituent shown). A2 = [?] 45'. 60-70 years. 2200' 30'/ch S. Lowerstory P & A restocking, willow sparse. Understory fireweed, cranberry, highbush cranberry, rosa. Fire history. Stereogram.")
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
plant ecology vegetation types ecotypes stereogram |
| Location: | Alaska |
| Description: | FS [Forest Survey?] Plot 216, across SP-5, (heavy P constituent shown). A2 = [?] 45'. 60-70 years. 2200' 30'/ch S. Lowerstory P & A restocking, willow sparse. Understory fireweed, cranberry, highbush cranberry, rosa. Fire history. Stereogram. |
| Date: | 8/7/1957 |
![FS [Forest Survey?] Plot 203, SP-2, looking forward (2 sawtimber P felled, right side) P3 ≡ d 75'. 200 years. 1800' 5/ch SE. Lowerstory sparse w/ willow & alder. Understory sparse w/ pyrola & rosa. Gravelly, well drained.](/rds/imagedb/images/_thm/29359.jpg "FS [Forest Survey?] Plot 203, SP-2, looking forward (2 sawtimber P felled, right side) P3 ≡ d 75'. 200 years. 1800' 5/ch SE. Lowerstory sparse w/ willow & alder. Understory sparse w/ pyrola & rosa. Gravelly, well drained.")
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
plant ecology vegetation types ecotypes |
| Location: | Alaska |
| Description: | FS [Forest Survey?] Plot 203, SP-2, looking forward (2 sawtimber P felled, right side) P3 ≡ d 75'. 200 years. 1800' 5/ch SE. Lowerstory sparse w/ willow & alder. Understory sparse w/ pyrola & rosa. Gravelly, well drained. |
| Date: | 8/5/1957 |
![FS [Forest Survey?] plot 205, forward from SP-1, Ⓢ 3 ≡ d 55'. 170 years. 1800' 40'/ch NW. Lowerstory sparse reprod (S) & alder & willow. Understory sphagnum, Labrador tea, lichen, vaccinium, highbush cranberry, Ribes.](/rds/imagedb/images/_thm/29349.jpg "FS [Forest Survey?] plot 205, forward from SP-1, Ⓢ 3 ≡ d 55'. 170 years. 1800' 40'/ch NW. Lowerstory sparse reprod (S) & alder & willow. Understory sphagnum, Labrador tea, lichen, vaccinium, highbush cranberry, Ribes.")
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
plant ecology vegetation types ecotypes |
| Location: | Alaska |
| Description: | FS [Forest Survey?] plot 205, forward from SP-1, Ⓢ 3 ≡ d 55'. 170 years. 1800' 40'/ch NW. Lowerstory sparse reprod (S) & alder & willow. Understory sphagnum, Labrador tea, lichen, vaccinium, highbush cranberry, Ribes. |
| Date: | 8/5/1957 |
![FS [Forest Survey?] Plot 211, from SP-2 forward. 30-50 years. 2000' 25'/ch S. Lowerstory A & P restocking, sparse willow. Understory fireweed, highbush cranberry, rosa, lupine, mosses, sparse Labrador tea. Note: catfaces. Stereogram.](/rds/imagedb/images/_thm/29352.jpg "FS [Forest Survey?] Plot 211, from SP-2 forward. 30-50 years. 2000' 25'/ch S. Lowerstory A & P restocking, sparse willow. Understory fireweed, highbush cranberry, rosa, lupine, mosses, sparse Labrador tea. Note: catfaces. Stereogram.")
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
plant ecology vegetation types ecotypes stereogram |
| Location: | Alaska |
| Description: | FS [Forest Survey?] Plot 211, from SP-2 forward. 30-50 years. 2000' 25'/ch S. Lowerstory A & P restocking, sparse willow. Understory fireweed, highbush cranberry, rosa, lupine, mosses, sparse Labrador tea. Note: catfaces. Stereogram. |
| Date: | 8/5/1957 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
regeneration and formation of stands tending of stands and trees opening of the canopy (increment fellings, overhead release and improvement fellings) girdling and poisoning |
| Location: | Alaska; Cat Island |
| Description: | Decomp Study Plot 10. Axe girdled. Tree #10. Cat Island. |
| Date: | 8/1/1957 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
regeneration and formation of stands tending of stands and trees opening of the canopy (increment fellings, overhead release and improvement fellings) girdling and poisoning |
| Location: | Alaska; Cat Island |
| Description: | Decomp Study Plot 10. Axe girdled. Tree #12 Cat Island. |
| Date: | 8/1/1957 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
regeneration and formation of stands tending of stands and trees opening of the canopy (increment fellings, overhead release and improvement fellings) girdling and poisoning |
| Location: | Alaska; Cat Island |
| Description: | Decomp Study Plot 10. Axe girdled. Tree #12 Right Tree #11 left. Cat Island. |
| Date: | 8/1/1957 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
regeneration and formation of stands tending of stands and trees opening of the canopy (increment fellings, overhead release and improvement fellings) girdling and poisoning |
| Location: | Alaska; Cat Island |
| Description: | Decomp Study Plot 10. Axe girdled. Tree #2 (Poyck) Cat Island. |
| Date: | 8/1/1957 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
regeneration and formation of stands tending of stands and trees opening of the canopy (increment fellings, overhead release and improvement fellings) girdling and poisoning |
| Location: | Alaska; Cat Island |
| Description: | Decomp Study Plot 10. Axe girdled. Tree #2 Cat Island. |
| Date: | 8/1/1957 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
regeneration and formation of stands tending of stands and trees opening of the canopy (increment fellings, overhead release and improvement fellings) girdling and poisoning |
| Location: | Alaska; Cat Island |
| Description: | Decomp Study Plot 10. Axe girdled. Tree #4 Cat Island. |
| Date: | 8/1/1957 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
regeneration and formation of stands tending of stands and trees opening of the canopy (increment fellings, overhead release and improvement fellings) girdling and poisoning |
| Location: | Alaska; Cat Island |
| Description: | Decomp Study Plot 10. Axe girdled. Tree #5 Cat Island. |
| Date: | 8/1/1957 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
regeneration and formation of stands tending of stands and trees opening of the canopy (increment fellings, overhead release and improvement fellings) girdling and poisoning |
| Location: | Alaska; Cat Island |
| Description: | Decomp Study Plot 10. Axe girdled. Tree #6 Cat Island. |
| Date: | 8/1/1957 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
regeneration and formation of stands tending of stands and trees opening of the canopy (increment fellings, overhead release and improvement fellings) girdling and poisoning |
| Location: | Alaska; Cat Island |
| Description: | Decomp Study Plot 10. Axe girdled. Tree #7 Cat Island. |
| Date: | 8/1/1957 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
regeneration and formation of stands tending of stands and trees opening of the canopy (increment fellings, overhead release and improvement fellings) girdling and poisoning |
| Location: | Alaska; Cat Island |
| Description: | Decomp Study Plot 10. Axe girdled. Tree #8 Cat Island. |
| Date: | 8/1/1957 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
regeneration and formation of stands tending of stands and trees opening of the canopy (increment fellings, overhead release and improvement fellings) girdling and poisoning |
| Location: | Alaska; Cat Island |
| Description: | Decomp Study Plot 10. Axe girdled. Tree #9 Cat Island. |
| Date: | 8/1/1957 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
regeneration and formation of stands degree of utilization and waste clearing the felling site natural regeneration |
| Location: | Alaska; Prince of Wales Island; Kina Cove |
| Description: | After Kina Cove Burn. Vaccinium brush which was growing under slash pile burned back to stubs. |
| Date: | 7/30/1957 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
regeneration and formation of stands degree of utilization and waste clearing the felling site natural regeneration |
| Location: | Alaska; Prince of Wales Island; Kina Cove |
| Description: | Aerial view. Kina Cove Burn. Looking toward Kina Cove. Note log boom & boats. |
| Date: | 7/18/1957 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest injuries and protection damage by harmful plants virus diseases forest weeds |
| Location: | Alaska |
| Description: | Lower portion of slope completely dominated by 8-10 yr. old Alder Brush. At break in slope Alder was thinner but spruce & hemlock reproduction very sparse. Most young spruce had been browsed back by porcupine or deer. |
| Date: | 7/12/1957 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest injuries and protection damage by animals mammals wild mammals |
| Location: | Alaska; Helm Bay |
| Description: | 12" spruce completely girdled at base. Helm Bay, Cleveland Peninsula. |
| Date: | 7/12/1957 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest injuries and protection damage by animals mammals wild mammals |
| Location: | Alaska; Helm Bay |
| Description: | Extensive chewing around base of 38" hemlock (McGregor). Hel Bay, Cleveland Peninsula. |
| Date: | 7/12/1957 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest injuries and protection damage by animals mammals wild mammals |
| Location: | Alaska; Helm Bay |
| Description: | Gnawed patch near base of spruce. Helm Bay, Cleveland Peninsula. |
| Date: | 7/12/1957 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest injuries and protection damage by animals mammals wild mammals |
| Location: | Alaska; Helm Bay |
| Description: | Patches of bark removed in top of 14" spruce, Helm Bay, Cleveland Peninsula. |
| Date: | 7/12/1957 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
regeneration and formation of stands natural regeneration |
| Location: | Alaska; Helm Bay |
| Description: | Young spruce in an opening at Helm Bay. (James). |
| Date: | 7/12/1957 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
hydrology water conservation, soil conservation and erosion watershed management studies of infiltration, run-off and water erosion:effects of forestry practices (polluted water) |
| Location: | Alaska; Helm Bay; Helm Creek |
| Description: | This creek bed has been used as a cat road for hauling timber. View downstream. |
| Date: | 7/12/1957 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
hydrology water conservation, soil conservation and erosion watershed management studies of infiltration, run-off and water erosion:effects of forestry practices (polluted water) |
| Location: | Alaska; Helm Bay; Helm Creek |
| Description: | Looking upstream from location of previous photo. Note fine stand of alder that followed logging. |
| Date: | 7/12/1957 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
systematic botany angiospremae:dicotyledoneae |
| Location: | Alaska; Helm Bay |
| Description: | 35 year old alder stand with spruce-hemlock understory. In old cutting area on Helm Bay. |
| Date: | 7/12/1957 |