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 ...
Publisher: Govt. Print. Off.
Published: 1921
Place of publication: Washington
Language: eng
Subjects: Water -- Pollution.
Notes: Available also in microform in CIS US congressional committee hearings, accession number H302-1-A(pt.1), H302-1-B(pt.2).
Paged continuously.
S. Wallace Dempsey, chairman.
Hearings held Oct. 25-Dec. 8, 1921.