TY  - BOOK
T1  - Caldera-related lava flows and intrusions of the south-central San Juan Mountains, Coloradoanalytical data /
DA  - 1991.
CY  - Denver, Colo. :
AU  - Yager, Douglas B.
AU  - Lipman, Peter W.
AU  - Sawyer, David A.
VL  - 91-313
CN  - I 19.76:
PB  - U.S. Geological Survey ;
PB  - Books and Open-File Reports Section [distributor],
PP  - Denver, Colo. :
PY  - 1991.
N1  - Cover title.
N1  - Distributed to depository libraries in microfiche.
N1  - Shipping list no.: 92-2162-M.
ID  - 200506
KW  - Calderas
KW  - Volcanic ash, tuff, etc.
KW  - Intrusions (Geology)
TI  - Caldera-related lava flows and intrusions of the south-central San Juan Mountains, Coloradoanalytical data /
ER  -