File:Ecology class taking a break at the Puget Sound Biological Station, Friday Harbor, San Juan Island, Washington, 1922 (COBB 340).jpeg
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![File:Ecology class taking a break at the Puget Sound Biological Station, Friday Harbor, San Juan Island, Washington, 1922 (COBB 340).jpeg](https://cdn.statically.io/img/upload.wikimedia.org/wikipedia/commons/thumb/a/a0/Ecology_class_taking_a_break_at_the_Puget_Sound_Biological_Station%2C_Friday_Harbor%2C_San_Juan_Island%2C_Washington%2C_1922_%28COBB_340%29.jpeg/765px-Ecology_class_taking_a_break_at_the_Puget_Sound_Biological_Station%2C_Friday_Harbor%2C_San_Juan_Island%2C_Washington%2C_1922_%28COBB_340%29.jpeg?20151229102814)
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