Unplanned Roof Fall at xc #106, #3 entry station #16773 on the 3-L tailgate. Fall occurred in an intersection (4-way), supported with 8' TR bolts and truss bolts. Fall dimensions - 18' wide x 30' long x 8' high. Fall did not cause injury, impair ventilation or entrap miners. Fall area developed 04/07/2016. Reported to MSHA at 8:55 pm on 05/08/2016.