TY  - BOOK
AU  - Harris,Ann G.
AU  - Tuttle,Esther
AU  - Tuttle,Sherwood D.
TI  - Geology of national parks
SN  - 078721065X
AV  - QE77 .H36 1997
U1  - 557.3 21
PY  - 1997///
CY  - Dubuque, Iowa
PB  - Kendall/Hunt Pub. Co.
KW  - Geology
KW  - United States
KW  - National parks and reserves
N1  - Includes bibliographical references and index
ER  -