Observers taking water, Mt. Washington Railroad Tank.
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U.S. Observatory, Mt. Washington.
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Interior of United States Observatory, Mt. Washington.
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Interior of U.S. Observatory, Mt. Washington.
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Summit of Mt. Washington.
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Summit of Mt. Washington.
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Summit of Mt. Washington.
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Summit of Mt. Washington.
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Summit of Mt. Washington.
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Summit of Mt. Washington.
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Summit of Mt. Washington.
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Summit of Mt. Washington.
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Mt. Washington Summit House.
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View from Mt. Washington Summit House.
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View from Mt. Washington Summit House.
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View from Mt. Washington Summit House.
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View from Mt. Washington Summit House.
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Mt. Washington Summit House.
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Mt. Washington Summit House.
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Mt. Washington Summit House.
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Mt. Washington, from the Depot.
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Frost work on Railway, Mt. Washington.
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Frost work on Mt. Washington Railway.
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Frost work on Mt. Washington Railroad.
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Frost work on Mt. Washington Railway.
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Frost work on Railway, Mt. Washington.
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Frost work on Mt. Washington.
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Frost work on Mt. Washington.
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Frost work on Mt. Washington.
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Frost work on Mt. Washington.
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