TY  - BOOK
AU  - Shulters, M. V.,
AU  - Clifton, Daphne G.
CN  - QE75
CN  - QE75
CY  - [Alexandria, VA] :
DA  - 1980.
ID  - 20957
KW  - Volcanic ash, tuff, etc.
KW  - Volcanoes
KW  - Water
PB  - U.S. Dept. of the Interior, Geological Survey,
PP  - [Alexandria, VA] :
PY  - 1980.
T1  - Mount St. Helens volcanic-ash fall in the Bull Run watershed, Oregon, March-June 1980 :hydrologic effects of the eruptions of Mount St. Helens, Washington, 1980 /
TI  - Mount St. Helens volcanic-ash fall in the Bull Run watershed, Oregon, March-June 1980 :hydrologic effects of the eruptions of Mount St. Helens, Washington, 1980 /
ER  -