Feather River Experiment Station. Greenhouse exterior and interior, showing soil thermograph testing beds. Electrical connection to thermometer to ring bell for maximum and minmum temperatures, soil thermometer and sprinkler. It is in these small square beds that the germination tests are made, starting early in December
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Description
Process Note: Shares negative number with 268. Location: average distance Identification: exact ground location unclear, appears unknowable No people present in picture
Type
image
Identifier
fritz_metcalf-274
Subject
U. S. Forest Service - Feather River Experiment Station (Calif.) Greenhouses Nurseries U. S. Forest Service - Experimental areas Plumas County
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