NLRB Stats Archive › Annual Reports › FY1991 › Number of unfair labor practice cases pending under preliminary investigation, month to month

Number of unfair labor practice cases pending under preliminary investigation, month to month

figure · source page 22 · nlrb1991_p0022_f0

Source page 22 of NLRB FY1991 annual report — Source: NLRB Annual Report FY1991, p. 22.

Source data: U.S. NLRB Annual Reports (public domain). Reconstruction by NLRB Stats Archive. The figure is shown as the 300-dpi scan; nothing was read from it. Updated October 2026.