TY  - BOOK
AU  - Lathrop , H.O.
AU  - Wales, H. Basil
TI  - The conservation of natural resources
U1  - 333.72 21st ed.
PY  - 1947///
CY  - Chicago
PB  - Laurel Book
KW  - Conservation of natural resources
N1  - 545-54 includes index
ER  -