TY  - BOOK
AU  - HAMMITT 
AU  - David N. Cole
TI  - Wildland recreation : ecology and management 
SN  - 0471194611 
U1  - 333.780973 HAM 1998 
PY  - 1998///
CY  - New York
PB  - John Wiley & Sons
KW  - Wilderness areas
KW  - Environmental aspects
KW  - United States
KW  - Recreational use
KW  - Management
N1  - Includes biblographical referencesand index
ER  -