TY  - BOOK
ED  - United States.
TI  - Aerial-photo interpretation in classifying and mapping soils
T2  - United States. Dept. of Agriculture. Agriculture handbook
AV  - S591 .A56 1966
PY  - 1966///
CY  - Washington
PB  - For sale by the Supt. of Docs., U.S. Govt. Print. Off.
KW  - Soils
KW  - Classification
KW  - Soil mapping
KW  - Photographic interpretation
KW  - Aerial photography in soil surveys
KW  - Soil classification
KW  - Soil maps
KW  - Aerial photography
KW  - Interpretation
N1  - Bibliography: p. 89
ER  -