TY  - BOOK
AU  - RAY, RICHARD G.
TI  - MAPPING AND INTERPRETATION GEOLOGICAL IN PHOTOGRAPHS AERIAL
T2  - 0
U1  - 778.35 
PY  - 1960///
CY  - U.S.A.
PB  - UNITED STATES G. P. O
KW  - ARTE
N1  - INTERPRETATION-INSTRUMENTATION
ER  -