Washington State Department of Natural Resources:
Sprinklers Spray Protective Coat of Water on Young Douglas-Fir Seedling Bed
Washington State Department of Natural Resources:
Edge of Young Douglas-Fir Seedling Bed, with Sprinkler
Washington State Department of Natural Resources:
Acres of Ice-Protected Western Red-cedar Beds at Webster Nursery in Tumwater, beneath Forested State Trust Lands
Washington State Department of Natural Resources:
Webster Forest Nursery with Capital State Forest State Trust Lands in Background
Washington State Department of Natural Resources:
Sprayers Gently Build up an Ice Coat on Young Douglas-Fir Seedlings in 13 Degree F
Washington State Department of Natural Resources:
Ice-protected Young Red Alder Seedlings, and Sprayers
Washington State Department of Natural Resources:
In the 13 Degree F Cold, A Cone of Ice Can Form on Sprinkler Head
Washington State Department of Natural Resources:
1000s of Douglas-Fir Seedlings Across Webster Forest Nursery, November 2010
Washington State Department of Natural Resources:
Noble Fir Seedlings Under Protective Ice Coat
Washington State Department of Natural Resources:
34 Consecutive Hours and 1000s of Gallons of Water Protect Grand Fir Seedlings
Washington State Department of Natural Resources:
Noble Fir Seedlings, After 36 Hours of Water Spraying
Washington State Department of Natural Resources:
Ice Balls Coat Red Alder Seedlings
Washington State Department of Natural Resources:
Protective Ice Coats Western Red Cedar