TY  - BOOK
AU  - Blair,Calvin L.
AU  - Simpson,R.I.
TI  - The Canadian landscape: Map and air photo interpretation 
SN  - 0773020039
U1  - 778.3/52 
PY  - 1978///
CY  - Toronto
PB  - Copp Clark Pitman
KW  - Photographic interpretation
KW  - Problems, exercises, etc
KW  - Map reading
KW  - Canada
KW  - Maps, Topographic
ER  -