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United States. Bureau of Reclamation
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KP-1551 - Klamath Project. Preparation of lateral for asphalt membrane lining; September 24, 1947; Photo by Dorwin Grise
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1442. [Image] M-2-a-2 Lateral thoroughly prepared for asphalt membrane lining, Coppock Bay, California
KP-1552 - Klamath Project - Coppock Bay; September 24, 1947; Photo by Dorwin GriseCitation -
KP-1553 - Klamath Project. Coppock Bay; September 24, 1947; Photo by Dorwin Grise
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1444. [Image] Asphalt Heating Tank, Coppock Bay, California
KP-1554 - Klamath Project. Coppock Bay; September 24, 1947; Photo by Dorwin GriseCitation -
KP-1555 - Klamath Project - Coppock Bay; September 24, 1947; Photo by Dorwin Grise
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KP-1556 - Klamath Project. Coppock Bay. Showing asphalt applied to both side slopes, with lateral bottom left open for walkway; September 24, 1947; Photo by Dorwin Grise
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KP-1557 - Klamath Project - Coppock Bay. Applying asphalt to bottom of lateral previously left open for walking; September 24, 1947; Photo by Dorwin Grise
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KP-1558 - Klamath Project - Coppock Bay. A completed section of asphalt lining; September 24, 1947; Photo by Dorwin Grise
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KP-1559 - Klamath Project. Coppock Bay. 12-inch earth cover on asphalt membrane being watered to obtain required density; September 26, 1947; Photo by Dorwin Grise
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KP-1560 - Klamath Project. Coppock Bay. Three stages of lining; September 26, 1947; Photo by Dorwin Grise
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