File:Dave Johnston with gas-detection instrument at Mount St. Helens, 4 April 1980 (USGS) 2.jpg
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Size of this preview: 390 × 599 pixels. Other resolutions: 156 × 240 pixels | 312 × 480 pixels | 500 × 768 pixels | 666 × 1,024 pixels | 1,333 × 2,048 pixels | 2,679 × 4,116 pixels.
Original file (2,679 × 4,116 pixels, file size: 5.37 MB, MIME type: image/jpeg)
Categories:
- 30-year-old human males
- April 1980 United States photographs
- Black and white photographs of men at work
- Black and white photographs of the United States in the 1980s
- David A. Johnston at work at Mount St. Helens
- Men at work in the 1980s
- Men with beards in the United States
- 1980 in Washington (state)
- People of the United States in 1980
- Scientists in 1980
- Squinting