TY  - BOOK
AU  - Sellars, Richard West
TI  - Preserving nature in the national parks : a history
SN  - 9780300154146
SN  - 200992672
U1  - 363.680973 SEL 
PY  - 2009///
CY  - New Haven
PB  - Yale University Press
KW  - National parks and reserves - United States - History
KW  - National parks and reserves - United States - Management - History
KW  - Natural resources - United States - Management - History
KW  - Nature conservation - United States - History
KW  - United States. National Park Service - History
N1  - Originally published: 1997. With new preface and epilogue. Includes bibliographical references (p. 311-381) and index
ER  -