| 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 studies of infiltration, run-off and water erosion:effects of forestry practices (polluted water) |
| Location: | Alaska; Prince of Wales Island |
| Description: | This photo was made from a 4 x 5 neg. taken from an enlarged 35 mm color slide. |
| Date: | summer, 1960 |