TY  - BOOK
ED  - Gangstad, Edward O.
TI  - Natural resource management of water and land
SN  - 0442004818
U1  - 333.9100973 
PY  - 1990///
CY  - New York
PB  - Van Nostrand Reinhold
KW  - Natural resources management areas
KW  - Natural resources--North America--Management
ER  -