Other women who followed their husbands into cities or mining areas lived in inadequate, and often legal, many women are forced to do house work and housing near industrial compounds. Women often left their own families to commute long distances to plow-wage jobs in the domestic work force in white neighborhoods. Substantial numbers were temporary workers in agriculture; and a growing number of women joined the burgeoning industrial work force, as has been carefully researched in Iris Berger's 'Threads of Solidarity: Women in South African Industry', 1900-1990.