Results 151 to 160 of about 54,510 (285)

Reconnaissance mapping from aerial photographs [PDF]

open access: yes
The author has identified the following significant results. Engineering soil and geology maps were successfully made from Pennsylvania aerial photographs taken at scales from 1:4,800 to 1:60,000. The procedure involved a detailed study of a stereoscopic
Bolling, N. B., Weeden, H. A.
core   +1 more source

Investigation of environmental change pattern in Japan [PDF]

open access: yes
There are no author-identified significant results in this ...
Maruyasu, T., Nakano, T., Ochiai, H.
core   +1 more source

Geomorphic and landform survey of northern Appennini [PDF]

open access: yes
There are no author-identified significant results in this ...
Marino, C. M.
core   +1 more source

Research on the Method of Assessing the Ecological Profit and Loss of Highway Construction in Karst Landform [PDF]

open access: hybrid
Yonggang Zeng   +10 more
openalex   +1 more source

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