| imageID: | 31550 |
| Description: | Oil tube for winter operation of stream gage. 12" diameter by 20' long of 20 gage galvanized iron. About 75 lbs. packed in. Tube placed in gage house well. Given charge of 5-10 gallons of kerosene. Float rests on kerosene which forms a non-freezing column through ice to unfrozen water below. |
| Study: | Indian Creek |
| Keywords: | hydrology water conservation, soil conservation and erosion watershed management studies on stream-flow and bank erosion: miscellaneous |
| Photographer: | Zach, Lawrence "Larry" W. |
| Original collection id: | Oxford #: 116.39 x 5.1, negative #: 804 |
| Original as submitted: | 116_39_x5_1_neg_804.tif |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Location: | Alaska; Prince of Wales Island; Indian Creek |
| Date(mm/dd/yyyy): | 10/2/1950 |
| Citation: | Use of this image is governed by Creative Commons CC BY. If you use the image, please include the following citation: Wright, Brenda E.; Plumb, Pauline; Wright, John; Biles, Frances E. 2021. Historical photographs from U.S. Forest Service research and development activities in Alaska. Fort Collins, CO: Forest Service Research Data Archive. https://doi.org/10.2737/RDS-2021-0084 |
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