A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Use of aerial color photography in materials surveys
Findings in use of aerial color transparencies in construction materials surveys conducted by Federal Highway Projects Office, U S Bureau of Public Roads, are summarized; color transparencies at scale of 1 to 6000, in single flight strips, were taken along major road system and in other selected locations in Yellowstone National Park; photographs were taken with 6-in. focal length Pleogon lens from average flight height of 3000 ft; potential construction materials sources were annotated on transparent plastic envelopes containing aerial photographs.
Use of aerial color photography in materials surveys
Findings in use of aerial color transparencies in construction materials surveys conducted by Federal Highway Projects Office, U S Bureau of Public Roads, are summarized; color transparencies at scale of 1 to 6000, in single flight strips, were taken along major road system and in other selected locations in Yellowstone National Park; photographs were taken with 6-in. focal length Pleogon lens from average flight height of 3000 ft; potential construction materials sources were annotated on transparent plastic envelopes containing aerial photographs.
Use of aerial color photography in materials surveys
Nat Research Council -- Highway Research Board -- Research Rec
Chaves, J.R. (author) / Schuster, R.L. (author)
1964
9 pages
Article (Journal)
English
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