Sewage treatment plant at the Grand Canyon National Park
By: by H.B. Hommon, sanitary engineer, United States Public Health Service
Contributors: United States. Public Health Service
Series: Public health reports (Washington, D.C. : 1896) -- no. 1249.
Published: 1928
Language: eng
Number of pages: 16
Subjects: Sewage disposal plants; Sewage disposal
Notes: Cover title.

At head of title: Treasury Department, United States Public Health Service, Hugh S. Cumming, Surgeon General.

Reprint no. 1249 from the Public health reports, v. 43, no. 40, Oct. 5, 1928, pp. 2583-2598.