TY  - BOOK
AU  - Margolin,Malcolm
TI  - The earth manual
SN  - 0395204259
PY  - 1975///
CY  - Boston
PB  - Houghton Mifflin
KW  - Nature conservation
KW  - Handbooks, manuals, etc
KW  - Nature trails
KW  - Soil conservation
KW  - Arboriculture
KW  - Wildlife habitat improvement
N1  - "A San Francisco Book Company /Houghton Mifflin book."
ER  -