| 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; Prince of Wales Island; Twelvemile Arm |
| Description: | Taken in 12 - mi. gravel quarry. Note the clay-silt deposit. Photo point: 71. |
| Date: | 9/30/1960 |
| 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; Prince of Wales Island; Twelvemile Arm |
| Description: | Taken in 12 - mi. gravel quarry. View tries to show the depth (3-4") of muck deposited. Photo point: 71. |
| Date: | 9/30/1960 |
| 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; Prince of Wales Island; Twelvemile Arm |
| Description: | Taken in 12 - mi. gravel quarry at a dry time. Note 2-3" of silt-clay deposits. Photo point: 71. |
| Date: | 9/30/1960 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
hydrology water conservation, soil conservation and erosion watershed management control on burnt or otherwise prepared areas, roadsides etc: by special cover |
| Location: | Alaska; Prince of Wales Island; Twelvemile Arm |
| Description: | Section of skid road AFTER seeding to grass. Located at Little Jim sale, Twelvemile Arm, Plot#5. Date: 4-14-1959. Seed: white dutch clover = 9 lbs., alto fescue = 6 lbs., reed canary= 4 lbs. Rate: 13 lbs/acre. Treatment: magadin fertilizer + seed. Slope: 25%. |
| Date: | 8/12/1959 |
| 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; Prince of Wales Island; Twelvemile Arm |
| Description: | Little Jim Logging Company, 12-mile Arm. Logging road on north side of Little Jim Creek. Note gravel washing into stream bottom. |
| Date: | 6/25/1958 |
| 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; Prince of Wales Island; Twelvemile Arm |
| Description: | Little Jim Logging Company, 12-mile Arm. Note gravel washing out of road & into stream bed. |
| Date: | 6/25/1958 |