Biography
John Grave was a laborer from Sacramento, California. John Grave was convicted at the mass IWW trial in Sacramento and sentenced to ten years in prison. He served in local county jails and Leavenworth Penitentiary from December 22, 1917, to March 1918 and from January 25, 1919, to December 22, 1923. The Department of Justice classified him a "deliberate and bitterly radical man" because he "always closes his letters 'Yours for the Revolution.' "
The March 1920 One Big Union Monthly prisoner roster, under the printed name GRAVE, JOHN, reports: Federal . Indicted Sacramento , Cal. , Feb. 8 , 1918 . Conspiracy to violate Sections 6 , 9 , 19 and 37 and Section 4 of Espionage Act. Convicted , 10- year sentence . Bail , $ 10,000 . Leavenworth Federal prison. This is the contemporary labor organization’s account. Indictment, bail and imposed sentence are distinguished from physical admission, actual release and complete time served; no missing custody endpoint is inferred. Source: https://www.marxists.org/history/usa/pubs/one-big-union-monthly/v02n03-mar-1920_One%20Big%20Union.pdf#page=11
The March1922 official report lists John Grave in List1 of convicted prisoners or parolees. The government entry reports Conspiracy and violating espionage act, etc. a sentence of January 17, 1919, 10 years at Leavenworth.. Imposed terms, projected term-expiration dates, parole eligibility and intervals on bond are different measures; none is entered as a complete actual custody total. This attributed government entry is retained alongside the independently established individual chronology. [PDF9]
Government Prosecutions under the Espionage Act, Senate Document159 (March1922), PDF page 9.