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ZPG refers to Zero Population Growth, an organization founded in the late 1960s to advocate the limitation of family size and to educate citizens about the perils of over-population.
Currently not on view
Object Name
Physical Description
metal (overall material)
overall: 3.2 cm; x 1 1/4 in
ID Number
catalog number
accession number
Natural Resources
Family & Social Life
Clothing & Accessories
Artifact Walls exhibit
See more items in
Medicine and Science: Biological Sciences
Artifact Walls exhibit
Data Source
National Museum of American History, Kenneth E. Behring Center

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