Soil Survey


Book Description



















Bibliography of North American Geology


Book Description

1919/28 cumulation includes material previously issued in the 1919/20-1935/36 issues and also material not published separately for 1927/28. 1929/39 cumulation includes material previously issued in the 1929/30-1935/36 issues and also material for 1937-39 not published separately.




U.S. Geological Survey Bulletin


Book Description

A multidisciplinary study of the geomorphic effects of a severe storm in a mountainous area of the Appalachians.