Pollution of navigable waters
Subtitle: hearings on the subject of the pollution of navigable waters held before the Committee on rivers and harbors, House of Representatives, Sixty-seventh Congress ... Oct. 25 [and Dec. 7 and 8], 1921
Publisher: Govt. print. off.
Published: 1921
Place of publication: Washington
Language: eng
Number of pages: 168
Subjects: Water; Pollution
Notes: Cover-title.

In 2 pts., pt. 2 having independent title page and contents not included in the collation.