A 1973 photograph of the motorcycle safety club of the Pine Grove High School, Pine Grove, Schuylkill County, Pennsylvania.
None of those pictured are identified.
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From the 1973 Yearbook, the Cardinal, of the Pine Grove High School, Pine Grove, Schuylkill County, Pennsylvania, which is available on Ancestry.com.
Corrections and additional information should be added as comments to this post.