Aerial photographs illustrate techniques for identifying soils which are described in Chapters VIII to XIII, and in airphoto identification chart of Tech Development Report n 52 (by D.S. JENKINS, D.J. BELCHER, L.E. GREGG and K.B. WOODS, indexed in Engineering Index 1946 p 1050), and form part of that publication.
Airphotos illustrating origin, distribution, and airphoto identification of United States soils
U S Civ Aeronautics Administration -- Appendix B Tech Development Report 1946
1946
Illustrations
Report
Englisch
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Origin, distribution, and airphoto identification of United States soils
Engineering Index Backfile | 1946
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