TY  - BOOK
AU  - Miller Victor C
AU  -  Westerback Mary E
TI  - Interpretation of topographic maps
U1  - U11, M9 
PY  - 1989///
CY  - Columbus
PB  - Merrill Publishing Company        
KW  - Geography
N1  - Bib p. 217-18.Appendix p. 219-29
ER  -