In the early 1970s, when many student activists were migrating from campus to industrial jobs to promote working-class radicalization, no labor film was more influential than Salt of the Earth.

This pioneering docudrama was made two decades earlier by a producer, writer, director, and several actors who were unemployable in Hollywood, due to McCarthy era-blacklisting.

This left-wing creative team recruited a cast of workers and their families from the International Union of Mine, Mill, and Smelter Workers (IUMMSW) to play themselves in a fictional account of a long strike at the Empire Zinc Company in Grant County, New Mexico.

Local 890 members knew something about red-baiting too. Shortly before their 1951 fight for better conditions and an end to wage disparities between Anglo and Chicano workers, Mine, Mill was expelled from the Congress of Industrial Organizations (CIO), along with the left-led United Electrical Workers (UE) and west coast longshore union, the ILWU. In

In real life, and later on screen, the key to the success of this mining community struggle was the militant participation of strikers’ wives, mothers, daughters and sisters after their own mass picketing is enjoined by a local judge.

In Salt of the Earth, this picket-line replacement strategy, which challenged and changed traditional gender roles in a socially conservative company town, is heatedly debated by film’s two lead characters.

Blacklisted and Deported

Playing the role of Ramon Quintera, Juan Chacon, an actual IUMMSW local president, initially objects to the strike activism of his fictional wife Esperanza, played by Mexican actress Rosaura Revueltas (who was deported for making the film). Other members of an entirely male and largely Latino workforce are similarly conflicted about the emergence of a vocal and empowered women’s auxiliary.

When Esperanza and her fellow female pickets are arrested, she takes her small baby behind bars with her. The resulting boisterous jail house protest—which prefigures southern civil rights and peace movement tactics in the 1960s–forces the sheriff to release them all. The miners’ subsequent defense of the Quintera family–when the company tries to evict them–becomes a turning point in the long strike which ends in a contract settlement.

Berkeley journalist and now first-time novelist Barry Bergman was among the many young radicals much inspired by this now iconic depiction of Mexican-American labor struggle.  Before Bergman relocated to California and began a long career as a newspaper reporter, magazine writer/editor, and communications specialist........

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