Pumice and pumicite occurrences of Washington.

Guides to some volcanic terranes in Washington, Idaho, Oregon, and northern California /
Published: (1981)

Volcanic ash : chemical composition, environmental impact, and health risks /
Published: (2015)

Four communities under ash after Mount St. Helens /
by: Warrick, Richard A.
Published: (1981)

Erosion and related phenomena at Parícutin in 1957 : a report on the changes in erosion, deposition, and drainage of the Parícutin area from 1946 to 1957 /
by: Segerstrom, Kenneth, 1909-1992
Published: (1960)

Tephra layers of Blind Spring Valley and related upper Pliocene and Pleistocene tephra layers, California, Nevada, and Utah : isotopic ages, correlation, and magnetostratigraphy /
Published: (2005)

Transfer of certain pumice stone to free list.
Published: (1959)

Volcanic dust in Oklahoma /
by: Buttram, Frank
Published: (1914)

An atlas of volcanic ash /
by: Heiken, Grant
Published: (1974)

Volcanic rocks.
Published: (1993)

Volcanic rocks : an information brochure.
Published: (1985)

Vocanic ash coordination tool (VACT) /
by: Rodgers, D. M.
Published: (2004)

Kansas volcanic ash resources /
by: Carey, James Sheldon, 1911-
Published: (1952)

Ash-flow tuffs /
Published: (1979)

Tuffs : their properties, uses, hydrology, and resources /
Published: (2006)

What's new in volcanic ash for industry?
by: Bauleke, Maynard Paul, 1925-
Published: (1962)

Pyroclastic rocks /
by: Fisher, Richard V. (Richard Virgil), 1928-2002
Published: (1984)

Volcanic successions, modern and ancient : a geological approach to processes, products, and successions /
by: Cas, R. A. F. (Ray A. F.)
Published: (1987)

A compositionally zoned ash-flow sheet in southern Nevada /
by: Lipman, Peter W., et al.
Published: (1966)

Volcanology /
by: Williams, Howel, 1898-1980
Published: (1979)

Some effects of recent volcanic ash falls : with especial reference to Alaska /
by: Wilcox, Ray E. (Ray Everett), 1912-2012
Published: (1959)

Mount St. Helens volcanic-ash fall in the Bull Run watershed, Oregon, March-June 1980 /
by: Shulters, M. V., 1950-
Published: (1980)

Volcanic ash /
by: Heiken, Grant
Published: (1985)

Zones and zonal variations in welded ash flows.
by: Smith, Robert L. (Robert Leland), 1920-
Published: (1960)

Data of geochemistry.
by: White, Donald Edward, 1914-2002
Published: (1963)

Volcanism in Hawaii /
Published: (1987)

Volcanic history of Honduras /
by: Williams, Howel, 1898-1980
Published: (1969)

Ash-flow tuffs of the Galiuro Volcanics in the northern Galiuro Mountains, Pinal County, Arizona /
by: Krieger, Medora Louise Hooper, 1905-
Published: (1979)

Transfer of certain pumice stone to free list.
Published: (1959)

Pumice deposits of the Klamath Indian Reservation, Klamath County, Oregon /
by: Walker, George Walton, 1921-
Published: (1951)

Chemistry of ash and leachates from the May 18, 1980 eruption of Mount St. Helens, Washington /
Published: (1987)

Geologic and grade-tonnage information on Tertiary epithermal precious- and base-metal vein districts associated with volcanic rocks /
by: Mosier, Dan L.
Published: (1986)

Volcanic geology in parts of the southern Peloncillo Mountains, Arizona and New Mexico /
by: McIntyre, David H.
Published: (1988)

Petrographic comparison of Pliocene and Pleistocene volcanic ash from western Kansas /
by: Swineford, Ada, 1917-
Published: (1946)

Map showing localities and inferred distributions of the Huckleberry Ridge, Mesa Falls, and Lava Creek ash beds (Pearlette family ash beds) of Pliocene and Pleistocene age in the western United States and southern Canada /
by: Izett, Glen Arthur, 1928-
Published: (1982)

Map showing outcrops of pre-quaternary ash-flow tuffs and volcaniclastic rocks, basin and range province, Utah /
Published: (1984)

Map showing outcrops of pre-quaternary ash-flow tuffs and volcaniclastic rocks, basin and range province, Northern California /
Published: (1985)