A brief history of sanitation in the Canal Zone, 1513-1972
Subtitle: environmental health
By: prepared by J.P. MacLaren.
Publisher: s.n.
Published: 1972
Place of publication: [S.l
Language: eng
Number of pages: 79
Subjects: Environmental health -- Panama -- Canal Zone -- History.; Sanitation -- Panama -- Canal Zone -- History.
Notes: "July 1972."
Includes index.