Sanitation
type: Concept

Water-supply
type: Concept

Sanitation
type: Concept

Water--Purification
type: Concept
created: 1986-02-11T00:00:00
modified: 1994-07-11T14:41:10
alternative label: Water treatment
alternative label: Water purification
alternative label: Purification of water
alternative label: Effluent treatment
broader: Sanitation
broader: Water-supply
broader: Water quality management
in scheme: lcsh
member: collection LCSHAuthorizedHeadings
member: collection LCSH General
member: collection SubdivideGeographicalIndirect
notation: TD430-TD477

Water quality management
type: Concept
notation: TD365

Water-supply
type: Concept
notation: TD201-TD500
notation: SD425
notation: GB651-GB2998

Sanitation
type: Concept