1. The protection and purification of rural water supplies Publication: Portland : Oregon State Board of Health, Division of Sanitary Engineering, 1943 Subject(s): Water SupplyRural HealthOregon
2. A sanitary survey of the city of Eugene, Oregon Author(s): Spangler, Paul, 1899-1994, author Publication: Produced: [1923] Subject(s): SanitationHealth SurveysWater SupplyWaste ManagementSewageVital StatisticsOregon