TY  - BOOK
AU  - Allum,J.A.E.
TI  - Photogeology and regional mapping,
T2  - The Commonwealth and international library. Geology division
AV  - QE36 .A4 1966
U1  - 526.9823 Al58 Ph 
PY  - 1966///]
CY  - Oxford, New York
PB  - Pergamon Press
KW  - Aerial photography in geology
KW  - Geology
KW  - Maps
N1  - Bibliography: p. 104
ER  -