Techniques of mapping and evaluation of soils with reference to airport and highway engineering; means of studying soil through application of principles of soil origin and development; technique for identifying soils from airphotos; soils are grouped in residual, glacial, loessial, alluvium and "non-soil areas.".
Origin, distribution, and airphoto identification of United States soils
U S Civ Aeronautics Administration -- Tech Development Report
1946
202 pages
Supp sheets in pocket, Bibliography
Report
Englisch
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Airphotos illustrating origin, distribution, and airphoto identification of United States soils
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