000020957 000__ 01189cam\a2200289Ii\4500
000020957 001__ 20957
000020957 005__ 20210513004353.0
000020957 008__ 801118s1980\\\\vauab\\\\b\\\f000\0\eng\d
000020957 035__ $$a(OCoLC)ocm06952548
000020957 035__ $$a20957
000020957 040__ $$aISE$$cISE
000020957 049__ $$aISEA
000020957 050_4 $$aQE75$$b.C5 no.850-A
000020957 1001_ $$aShulters, M. V.,$$d1950-
000020957 24510 $$aMount St. Helens volcanic-ash fall in the Bull Run watershed, Oregon, March-June 1980 :$$bhydrologic effects of the eruptions of Mount St. Helens, Washington, 1980 /$$cby Michael V. Shulters and Daphne G. Clifton.
000020957 260__ $$a[Alexandria, VA] :$$bU.S. Dept. of the Interior, Geological Survey,$$c1980.
000020957 300__ $$av, A15 p. :$$bill., maps ;$$c26 cm.
000020957 4901_ $$aUnited States Geological Survey ; Circular 850-A
000020957 504__ $$aBibliography: p. 15.
000020957 650_0 $$aVolcanic ash, tuff, etc.$$zOregon$$zBull Run watershed.
000020957 650_0 $$aVolcanoes$$zWashington (State)
000020957 650_0 $$aWater$$xPollution$$zOregon$$zBull Run watershed.
000020957 651_0 $$aSaint Helens, Mount (Wash.)$$xEruption, 1980.
000020957 651_0 $$aBull Run River Watershed (Or.)
000020957 7001_ $$aClifton, Daphne G.
000020957 7102_ $$aGeological Survey (U.S.)
000020957 830_0 $$aGeological Survey circular ;$$v850-A.
000020957 85200 $$bgen$$hQE75$$i.C5$$ino.850-A
000020957 909CO $$ooai:library.usi.edu:20957$$pGLOBAL_SET
000020957 980__ $$aBIB
000020957 980__ $$aBOOK