William Powers, Jot Small, ?
photographic print on paper
20th century United States Image
Clayt, Bill Powers and dinner
Ralph B. Hubbard
silver gelatin on paper
20th century Canada image
Bill Powers
Ralph B. Hubbard
silver gelatin on paper
20th century image
Dr. William Powers and ? studying chart
Donald Baxter MacMillan
35mm slide
20th century image
Dr. William Powers looking at ice field
Donald Baxter MacMillan
35mm slide
20th century image
Dr. William Powers and ? studying chart
Donald Baxter MacMillan
35mm slide
20th century image
Bill Powers and Buckets looking out
Rutherford Platt
safety film negative
20th century image
Bill Powers and Buckets looking out
Rutherford Platt
safety film negative
20th century image
Bill Powers pouring water (from water can, on deck)
Rutherford Platt
safety film negative
20th century Canada image
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