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Drawing board with mount for a tripod. Used in field survey work. This is a particularly fine example in pristine condition.Photographer: Justin Bongard, U.S. Geological Survey
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Monday, February 8, 2010
Drawing board with case
.
.jpg)
Drawing board with mount for a tripod. Used in field survey work. This is a particularly fine example in pristine condition.
Photographer: Justin Bongard, U.S. Geological Survey
.
Drawing board with mount for a tripod. Used in field survey work. This is a particularly fine example in pristine condition.Photographer: Justin Bongard, U.S. Geological Survey
.
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