The relationship between sand size and biological activity in sewage filters.

Bibliographic Details
Main Author:	Murray, William Bruce
Format:	Thesis Book
Language:	English
Published:	[College Station, Tex.], [publisher not identified] ; 1948.
Subjects:	Major municipal and sanitary engineering.

Description
Item Description:	Typewritten.
Physical Description:	38 numbered . including diagrams, tables.
Bibliography:	Bibliography: . 38.