Roof Fall was discovered in 1st right off of slip ridge mains in #2 entry near spad # 6710 fall measured 20'long X 4' wide X 4' High. 4 ft. Fully Grouted Resin Bolts were being usedin this area, fall will not be cleaned up. All approaches have been supported. No injuries occured. Fall was 13,200 ft from working section. Area Examined on a weekly basis.