Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Henry W. Smith"'
Publikováno v:
Quaternary Research. 7:207-217
We have extended the fallout areas for each of two members of tephra-set W, erupted from Mount St. Helens about 1500 ad , by several hundred kilometers beyond the limits mapped in 1975. We traced one member (We) east into Idaho, and the other (Wn) no
Publikováno v:
Quaternary Research. 7:197-206
Reference samples of three prominent pumice units of Glacier Peak tephra collected east of the volcano within a distance of 100 km are similar petrographically to units described by earlier workers. Glass shards isolated from these samples were analy
Autor:
Frederick B. Lotspeich, Henry W. Smith
Publikováno v:
Soil Science. 76:467-480
Publikováno v:
Soil Science. 73:243-248
Publikováno v:
Agronomy Journal. 35:107-113
Publikováno v:
Soil Science Society of America Journal. 21:644-649
Publikováno v:
Ecology. 42:53-68
Several treeless areas (i.e., prairies) in an otherwise heavily forested locale are known in Clallam County, on the Olympic Peninsula in northwestern Washington (Wheeting 1936, Fowler and Wheeting 1941). These persistent elements of the landscape, in
Publikováno v:
Soil Science. 102:94-106
Autor:
Henry W. Smith
Publikováno v:
Agronomy Journal. 49:109-113
Autor:
Samuel Rieger, Henry W. Smith
Publikováno v:
Soil Science. 79:301-320