Blue Line Processes, U.S. Geological Survey Topographic Division. Location unknown. 1952.
Dates
Date Taken
1952
Summary
Album caption: Blue line processes on metal mounted boards for field and color separation drafting. No index card. Album note: Photographed and compiled by E.F. Patterson.
Summary
Album caption: Blue line processes on metal mounted boards for field and color separation drafting.
No index card.
Album note: Photographed and compiled by E.F. Patterson.
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tope0217.jpg
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tope0217.tif
47.74 MB
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Material Request Instructions
Available in the U.S. Geological Survey, Denver Library Photographic Collection, Subject Album area, Topography E Collection, Book 5: Office Operations and Equipment Album
Rights
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