TY  - BOOK
AU  - Black,George
TI  - Empire of shadows: the epic story of Yellowstone 
SN  - 9780312383190 (hardcover)
AV  - F722 .B53 2012
U1  - 978.7/52 23
PY  - 2012///
CY  - New York
PB  - St. Martin's Press
KW  - Yellowstone National Park
KW  - History
KW  - Discovery and exploration
N1  - Includes bibliographical references
ER  -