The first postal strike in the nation's history spread to 12 states (shaded areas on map) early 3/21. Letter carriers in increasing numbers defied their leaders' pleas to return to work, forcing a mail embargo for all of New York City, New Jersey and Connecticut and for much of New York State.
Digital Commonwealth — Boston Public Library

The first postal strike in the nation's history spread to 12 states (shaded areas on map) early 3/21. Letter carriers in increasing numbers defied their leaders' pleas to return to work, forcing a mail embargo for all of New York City, New Jersey and Connecticut and for much of New York State.

United Press International · [ca. March 1970]

CC0 — Public Domain
Digital Commonwealth — Boston Public Library

[Information from item housing] Labor: Strikes: Postal Workers: U.S.

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