TY  - BOOK
AU  - Ray, Richard G.
TI  - Aerial photographs in geologic interpretation and mapping
T2  - Professional paper
U1  - 526.982 
PY  - 1965/// [c.1960]
CY  - Washington
PB  - Geological Survey
KW  - FotografÃ­a aÃ©rea
KW  - FotointerpretaciÃ³n
KW  - GeologÃ­a
KW  - Mapas
ER  -